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Original Article:
Comparing the effect of oral and vaginal isosorbide dinitrate in pre-induction cervical ripening in term pregnancy: A controlled clinical trial
Ladan Haghighi, Somayeh Moukhah, Azita Goshtasbi
Adv Biomed Res
2015, 4:129 (5 June 2015)
DOI
:10.4103/2277-9175.158259
PMID
:26284225
Background:
Cervical ripening for labor induction is one of the most important issues in midwifery. Isosorbide dinitrate (ISDN) is one of the most important choices that have been proposed for cervical ripening, but still there are controversies regarding its prescription. The present study aimed to evaluate the effects of vaginal and oral ISDN compared to the control group for pre-induction cervical ripening.
Materials and Methods:
In this non-blinded clinical trial, 149 nulliparous women with term or prolonged pregnancy were randomly selected and divided into three groups by block randomization. The intervention group included vaginal (50 subjects, 40 mg) and oral (49 subjects, 20 mg) ISDN groups. The third group was the control group (50 subjects) which did not receive any medication. The amount of ripening was given by Bishop score evaluated before taking medication and 24 h after taking it.
Results:
After 24 h, Bishop score in vaginal ISDN group significantly increased compared to the oral ISDN and control groups (
P
< 0.001 for both). Although the increase in Bishop score was lower in the oral ISDN group than in the vaginal group, it had a statistically significant increase in comparison to the control group (
P
= 0.001). All the three groups were matched regarding pregnancy termination and cesarean causes, and there was no statistically significant difference among the three groups (
P
> 0.05).
Conclusion:
Prescribing vaginal ISDN for cervical ripening was effective, and it can be used with confidence.
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Original Article:
Antigenic profile of heat-killed versus thimerosal-treated
Leishmania major
using sodium dodecyl sulfate-polyacrylamide gel electrophoresis
Reza Arjmand, Simindokht Soleimani Fard, Sedigheh Saberi, Sepideh Tolouei, Ali Khamesipour, Seyed Hossein Hejazi
Adv Biomed Res
2015, 4:128 (4 June 2015)
DOI
:10.4103/2277-9175.158068
PMID
:26261830
Background:
Leishmania
is a parasitic protozoan of trypanosomatidae family which causes a wide spectrum of diseases ranging from self-healing cutaneous lesions to deadly visceral forms. In endemic areas, field trials of different preparations of
Leishmania
total antigen were tested as leishmaniasis vaccine. Two preparations of killed
Leishmania major
were produced In Iran, which were heat-killed vaccine called autoclaved
L. major
(ALM) and thimerosal-treated freeze-thawed vaccine called killed
L. major
(KLM). In this study, the protein content of both ALM and KLM were compared with that of freshly harvested intact
L. major
promastigotes using sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE).
Materials and Methods:
L. major
(MRHO/IR/75/ER) from pre-infected Balb/c mice was isolated with modified Novy-MacNeal-Nicolle (NNN) medium and then subcultured in liquid RPMI 1640 medium supplemented with fetal calf serum (FCS) 20% for mass production. Two preparations of KLM and ALM were produced by Razi Vaccine and Serum Research Institute, Iran, under WHO/TDR supervision. Electrophoresis was performed by SDS-PAGE method and the gel was stained by Coomassie brilliant blue dye. The resultant unit bands were compared using standard molecular proteins.
Results:
Electrophoresis of the two preparations produced many bands from 10 kDa to 100 kDa. KLM bands were much like those of freshly harvested intact
L. major
.
Conclusion:
It is concluded that although there are similar bands in the three forms of
Leishmania
antigens, there are some variations which might be considered for identification and purification of protective immunogens in a total crude antigen, and detection of their stability is essential for the production and marketing of a putative vaccine.
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Brief Report:
The effectiveness of lavender essence on strernotomy related pain intensity after coronary artery bypass grafting
Mohammad Ali Heidari Gorji, Om Golsum Ashrastaghi, Valiollah Habibi, Jamshid Yazdani, Mohammad Ebrahim Ebrahimzadeh, Mitra Ayasi
Adv Biomed Res
2015, 4:127 (4 June 2015)
DOI
:10.4103/2277-9175.158050
PMID
:26261829
Background:
Considering the side effects of pharmacological methods, there has been a suggestion to use nonpharmacological methods such Aromatherapy following coronary artery bypass grafting (CABG). This study aims to evaluate the effectiveness of lavender 2% aromatherapy on sternotomy pain intensity after coronary artery bypass graft surgery in patients who have undergone surgery.
Materials and Methods:
During this clinical trial, 50 patients who were candidates for CABG, were randomly divided into two equal groups, that is, the control group (
n
= 25) and the case group (
n
= 25). Following CABG, the case group received two drops of 2% lavender oil every 15 minutes with supplemental oxygen and the control group received only supplemental oxygen through a face mask. The data collection tools comprised of the demographic check list and visual analog scale (VAS) for evaluating the pain intensity. The pain intensity were assessed pre- and five, 30, and 60 minutes post aromatherapy. The final data were analyzed by the
t
-test and chi-squared test.
Results:
The findings showed that the pain perception intensity in the case group was lower than that in the control group at the 30- and 60-minute phases after intervention (
P
< 0.0001).
Conclusion:
The result indicated that aromatherapy can be used as a complementary method in postoperative pain reduction, as it reduced pain. The patients require two sedative drugs, and moreover, it avoids expenses of treatment.
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Original Article:
How health information is received by diabetic patients?
Firoozeh Zare-Farashbandi, Anasik Lalazaryan, Alireza Rahimi, Akbar Hassan Zadeh
Adv Biomed Res
2015, 4:126 (4 June 2015)
DOI
:10.4103/2277-9175.158047
PMID
:26261828
Background:
Knowledge of correct information-seeking behavior by the patients can provide health specialists and health information specialists with valuable information in improving health care. This study aimed to investigate the passive receipt and active seeking of health information by diabetic patients.
Materials and Methods:
A survey method was used in this research on 6426 diabetic patients of whom 362 patients were selected by a no percentage stratified random sampling. The Longo information-seeking behavior questionnaire was used to collect data and they were analyzed by SPSS 20 software.
Results:
The most common information source by diabetic patients was practitioners (3.12). The minimum usage among the information sources were from charity organizations and emergency phone lines with a usage of close to zero. The amount of health information gained passively from each source has the lowest average of 4.18 and usage of this information in making health decision has the highest average score of 5.83. Analysis of the data related to active seeking of information showed that knowledge of available medical information from each source has the lowest average score of 3.95 and ability in using the acquired information for making medical decisions has the highest average score of 5.28. The paired
t
-test showed that differences between passive information receipt (41.68) and active information seeking (39.20) considered as statistically significant (
P
< 0.001).
Conclusion:
Because diabetic patients are more passive information receivers than active information seekers, the health information must be distributed by passive means to these patients. In addition, information-seeking behavior during different time periods should be investigated; to identify more effective distribution of health information.
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Original Article:
The effect of cyclic nucleotide analog drugs on the mediators release from basophils
Nahid Eskandari, Reza Bastan, Seyyed Esfahani, Peter T Peachell
Adv Biomed Res
2015, 4:125 (4 June 2015)
DOI
:10.4103/2277-9175.158040
PMID
:26261827
Background:
The cyclic nucleotides, cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP), are intracellular second messengers that play an important role in modulating inflammatory cells involved in allergic diseases. In general, cAMP suppresses the activity of immune and inflammatory cells. We aim to evaluate the roles of cAMP and cGMP in regulating basophil activity.
Materials and Methods:
Basophil-enriched preparations were incubated with analogs and then challenged with anti-IgE or IL-3 (4 or 24 hours). Supernatants were assayed for histamine, IL-4, and IL-13 release. The effects of Sp-8-CPT-cAMPS and Sp-8-CPT-cGMPS on IL-3-dependent mediator release from basophils were determined. The cells were pre-incubated with an analog and then incubated with IL-3 for 24 hours.
Results:
Sp-8-CPT-cAMPS was an effective (
P
< 0.05) inhibitor of IL-4, IL-13, and histamine release from basophils. However, paradoxically, Sp-8-CPT-cGMPS enhanced histamine release and IL-13 generation, but by contrast, had little effect on IL-4 generation. Sp-8-CPT-cGMPS inhibited cytokine generation, but enhanced the release of histamine release to a modest extent.
Conclusion:
This study shows that the cAMP/protein kinase A (PKA) pathway may be inhibitory to the IgE- and non-IgE-dependent release of mediators from basophils.
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Original Article:
Prophylactic effect of topical silica nanoparticles as a novel antineovascularization agent for inhibiting corneal neovascularization following chemical burn
Mehrdad Mohammadpour, Mahmoud Jabbarvand, Hassan Hashemi, Elham Delrish
Adv Biomed Res
2015, 4:124 (4 June 2015)
DOI
:10.4103/2277-9175.158039
PMID
:26261826
Background:
Angiogenesis-related corneal blindness includes the spectrum of corneal diseases that are caused by pathological angiogenesis, leading to untoward visual impairment. The purpose of this study was to investigate the antineovascularization effect of topical silica nanoparticles (SiNPs) in inhibiting chemical-burn-induced corneal neovascularization.
Materials and Methods:
A total number of 20 corneas of 10 Wistar Albino rats were included in this study. Silver nitrate cauterization was pressed to the central cornea for 5 s to induce corneal neovascularization. They were randomly allocated to case and control groups (ten eyes in each group). SiNPs were synthesized by the reverse microemulsion method. SiNPs drop 1 mg/ml was started in ten eyes and artificial tear drop was started in the control group (ten eyes) immediately after chemical cauterization. Video-based photography was performed before and after treatment. Corneal image analysis was performed on each cornea using an image analysis software program. All rats were euthanized and the eyes were sent for histopathologic examinations14 days after chemical cauterization.
Results:
Scanning electron microscopy (SEM) images showed spherical-shaped particles. The mean size and polydispersity index of prepared SiNPs were 30.1 ± 5.6 nm and 0.254 ± 0.11, respectively. Fourteen days after chemical cauterization, the mean vascularized corneal area was 21% of total corneal area in the case group and 85% in the control group (
P <
0.05). The control group revealed more extensive intrastromal vascularization compared with the case group in histopathologic examinations (
P <
0.05).
Conclusions:
SiNPs is an effective modality for inhibiting corneal neovascularization following chemical burn in an experimental model. Further investigations are suggested for evaluation of its safety and efficacy in human eyes.
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Original Article:
Comparison of two walk tests in determining the claudication distance in patients suffering from peripheral arterial occlusive disease
Snehil Dixit, Kalyana Chakravarthy, Ravi Shankar Reddy, Jaya Shanker Tedla
Adv Biomed Res
2015, 4:123 (4 June 2015)
DOI
:10.4103/2277-9175.158036
PMID
:26261825
Background:
The purpose of this study was to compare the six-minute walk test (6MWT) and the incremental shuttle walk test (ISWT) in terms of the initial onset of pain (IOP), maximal claudicating pain (MCP), maximum walking distance (MWD), initial ankle brachial index (IABI), post ankle brachial index (PABI), and difference in ankle brachial index (DFABI), as well as to correlate changes in IOP and MWD, MCP and MWD, IABI and MWD, PABI and MWD, and DFABI and MWD in the 6MWT and ISWT.
Materials and Methods:
Participants (
n
= 19, 17 men and 2 women) were randomly allocated to the 6MWT or ISWT and crossed over to the other test after 24 hours. The baseline ankle brachial index (ABI) measurements were taken using the Doppler, following which the participants performed the tests. Post-test MWD, IOP, MCP, and ABI were measured. The paired
t
test was used pre- and post the walk test and the Pearson correlation was used to find any relationship between the desired variables.
Results:
The paired
t
test at 95% confidence interval for IABI and PABI (
P
> 0.05) was insignificant for the 6MWT and ISWT. The Pearson correlation of MWD with IOP showed a fair correlation, and the correlation of MWD to MCP showed a strong correlation in ISWT.
Conclusion:
ISWT can be of vital importance as a tool to assess the functional status of patients suffering from Peripheral Arterial Occlusive Disease (PAOD) in both the clinical and research areas, and reflects a better assessment of the functional limitation when walking with PAOD as compared to the 6MWT.
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Original Article:
Comparison of five methods in predicting difficult laryngoscopy: Neck circumference, neck circumference to thyromental distance ratio, the ratio of height to thyromental distance, upper lip bite test and Mallampati test
Azim Honarmand, Mohammadreza Safavi, Ahmad Yaraghi, Mohammadali Attari, Mehdi Khazaei, Majid Zamani
Adv Biomed Res
2015, 4:122 (4 June 2015)
DOI
:10.4103/2277-9175.158033
PMID
:26261824
Background:
Preoperative airway assessment tests have been presented to help in anticipating a difficult airway. We conducted this study to compare five methods in prediction of difficult laryngoscopy: Neck circumference (NC), NC to thyromental distance ratio (NC/TMD), the ratio of height to thyromental distance (RHTMD), upper lip bite test (ULBT) and Mallampati test (MMT). These five methods are the most commonly used ones and have different powers for it. It was not clear which of these methods predicts difficult laryngoscopy better.
Materials and Methods:
Six hundred consecutive patients participated in this study. NC, NC/TMD and RHTMD were measured, and ULBT and MMT were performed and recorded. The laryngoscopy view was graded according to Cormack and Lehane's scale (CLS) and difficult laryngoscopy was defined as CLS grades 3 and 4. Accuracy of tests in predicting difficult laryngoscopy was assessed using the area under a receiver-operating characteristic curve.
Results:
The area under the curve in ULBT and RHTMD were significantly larger than that in TMD, NC and MMT. No statistically significant differences were noted between TMD, NC and MMT (all
P
> 0.05) (ULBT = RHTMD > NC/TMD > TMD = NC = MMT). RHTMD (>22.7 cm) exhibited the highest sensitivity (sensitivity = 64.77, 95% confidence interval [CI]: 53.9-74.7) and the most specific test was ULBT (specificity = 99.41%, 95% CI: 98.3-99.9).
Conclusion:
RHTMD and ULBT as simple preoperative bedside tests have a higher level of accuracy compared to NC/TMD, TMD, NC, MMT in predicting a difficult airway.
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Original Article:
Expression of prostaglandin I2 (prostacyclin) receptor in blood of migraine patients: A potential biomarker
Majid Kheirollahi, Mohammad Kazemi, Gilda Amini, Fariborz Khorvash, Fatemeh Ahangari, Mahsa Kolahdouz, Leila Koulivand
Adv Biomed Res
2015, 4:121 (4 June 2015)
DOI
:10.4103/2277-9175.158030
PMID
:26261823
Background:
Migraine is the most common chronic neurological disorders that may be associated with vasodilatation. According to the role of prostaglandin I2 (prostacyclin) receptor (PTGIR) in migraine as a receptor, which acts in vasodilatation, we decided to study the changes of PTGIR expression in migraine patients in relation to a suitable control group.
Materials and Methods:
Extracted mRNA from lymphocytes of 50 cases and 50 controls was used to synthesize cDNA. Real-time polymerase chain reaction was performed, and the data were analyzed. Our results show that PTGIR mRNA expression in cases was significantly higher than the control group (
P
= 0.010).
Results:
In conclusion, mRNA expression of PTGIR in the blood of people with migraines could be considered as a biomarker.
Conclusion:
In addition, repression of PTGIR gene expression by methods such as using siRNA is probably suitable for therapy of migraine patients.
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Review Article:
Conventional, molecular methods and biomarkers molecules in detection of septicemia
Mohammad Reza Arabestani, Sahar Rastiany, Sima Kazemi, Seyed Masoud Mousavi
Adv Biomed Res
2015, 4:120 (4 June 2015)
DOI
:10.4103/2277-9175.158027
PMID
:26261822
Sepsis is a leading cause of morbidity and mortality in hospitalized patients worldwide and based on studies, 30-40% of all cases of severe sepsis and septic shock results from the blood stream infections (BSIs). Identifying of the disease, performing laboratory tests, and consequently treatment are factors that required for optimum management of BSIs. In addition, applying precise and immediate identification of the etiologic agent is a prerequisite for specific antibiotic therapy of pathogen and thereby decreasing mortality rates. The diagnosis of sepsis is difficult because clinical signs of sepsis often overlap with other noninfectious cases of systemic inflammation. BSIs are usually diagnosed by performing a series of techniques such as blood cultures, polymerase chain reaction-based methods, and biomarkers of sepsis. Extremely time-consuming even to take up to several days is a major limitation of conventional methods. In addition, yielding false-negative results due to fastidious and slow-growing microorganisms and also in case of antibiotic pretreated samples are other limitations. In comparison, molecular methods are capable of examining a blood sample obtained from suspicious patient with BSI and gave the all required information to prescribing antimicrobial therapy for detected bacterial or fungal infections immediately. Because of an emergency of sepsis, new methods are being developed. In this review, we discussed about the most important sepsis diagnostic methods and numbered the advantage and disadvantage of the methods in detail.
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Original Article:
Annexin V FITC conjugated as a radiation toxicity indicator in lymphocytes following radiation overexposure in radiotherapy programs
Mohammad Bagher Tavakoli, Majid Kheirollahi, Ali Kiani, Mohammad Kazemi, Shaghayegh Haghjooy Javanmard, Leili Mohebat
Adv Biomed Res
2015, 4:119 (4 June 2015)
DOI
:10.4103/2277-9175.158025
PMID
:26261821
Background:
Following human radiation exposure in hospital or accidents, dose assessments are of prime importance in radiation accidents. These issues are of continuing importance with respect to socioeconomic policy relating to the industrial and medical uses of ionizing radiation, and also for risk assessment among people who are occupationally exposed to low and/or high linear energy transfer (LET) radiation, such as astronauts, pilots, stewardesses, nuclear power plant workers, and victims of radiation accidents.
Materials and Methods:
In this study, an assay for assessing radiation dose based on the induction of apoptosis in human T-lymphocytes was done to examine T-lymphocyte cells isolated from the fresh blood of 16volunteers, cultured and exposed to gamma rays. Radiation-induced apoptosis (RIA) was assessed by flow cytometric identification of cells displaying apoptosis-associated DNA condensation.
Results:
Dose-response experiments showed that at 2Gy dose level of radiotherapy programs, the RIA frequency was significantly above control. Apoptotic levels significantly depend on the dose of radiation rather than the donor.
Conclusion:
The results demonstrate the potential use of this assay as a biological indicator of radiation toxicity, optimizing patient dose in radiotherapy and biological dosimetry process.
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2022
April
[
9
]
March
[
8
]
February
[
9
]
January
[
10
]
2021
December
[
10
]
November
[
11
]
October
[
5
]
September
[
6
]
August
[
2
]
July
[
4
]
June
[
3
]
May
[
1
]
March
[
2
]
February
[
4
]
January
[
6
]
2020
December
[
8
]
November
[
7
]
October
[
13
]
September
[
10
]
August
[
10
]
July
[
7
]
June
[
4
]
May
[
5
]
April
[
5
]
March
[
3
]
February
[
4
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January
[
5
]
2019
December
[
2
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November
[
5
]
October
[
5
]
September
[
7
]
August
[
6
]
July
[
3
]
June
[
7
]
May
[
5
]
April
[
8
]
March
[
6
]
February
[
8
]
January
[
10
]
2018
December
[
9
]
November
[
9
]
October
[
11
]
September
[
5
]
August
[
10
]
July
[
10
]
June
[
13
]
May
[
17
]
April
[
17
]
March
[
19
]
February
[
19
]
January
[
20
]
2017
December
[
13
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November
[
21
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October
[
12
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September
[
9
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[
15
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July
[
22
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June
[
11
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May
[
14
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April
[
14
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March
[
21
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February
[
8
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[
8
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December
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17
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[
20
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12
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9
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19
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16
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17
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17
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36
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14
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15
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25
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29
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29
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31
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11
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39
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22
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11
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22
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77
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5
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1
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23
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11
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42
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4
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17
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