background and purpose: identifying the risk factors of hepatitis c، b، and hiv is necessary to prevent their increasing prevalence. therefore، we sought to identify the frequency of their risk factors among the homeless of tehran، iran during 2005 to 2007. methods and materials: this descriptive analytical study was conducted during 2005 to 2007 on the homeless population of tehran، iran. two ...

the goal of this research is to measure the rate of quality of work life of facultymembers in university of tehran. the research type in regard to goal is appliedinvestigative and in regard to data collecting method is descriptive investigative andof measurement branch. the statistical population is faculty members of universityof tehran’s paradises and colleges. in this research, after identif...

the purpose of the present research was to study the properties of natural habitats and growth status of the genus tamarix in miankangi, sistan province, south-eastern iran. selective sampling was used to examine the natural stands structure. then, the one ha-rectangular sample plots were stablished in the stands and surrounding bare lands as control plots. quantitative variables of stands viz....

background: burn injuries impose a considerable burden on healthcare systems in iran. it is among the top ten causes of mortality and a main cause of disability. objectives: this study aimed to examine factors influencing mortality in burn patients admitted to the main educational tertiary referral hospital in kermanshah. patients and methods: all patients admitted to the imam khomeini hospital...

thirty young, healthy, nonsmoking women (mean age approximately 28 years) taking low-dose oral contraceptive pills were recruited for the study of the effects of these pills on coagulating factors. twenty subjects were taking ld pill (ethinyl estradiol 0.03 mg, levonorgestrel 0.15 mg) and 10 others were taking cilest (ethinyl estradiol 0.035 mg, norgestimate 0.25 mg) for six months. the control...

happiness underlying factors are considerable from two dimensions: endogenic factors (biological, cognitive, personality and ethical sub-factors) and exogenic factors (behavioral, socialcultural, economical, geographical, life events and aesthetics sub-factors). among all endogenic factors, biological sub-factors are the significant predictors of happiness. existence of significant differences ...

background and purpose: the problematic reduction of civic engagement in local communities of khuzestan province in the southwest of iran has became a serious issue for research in social planning and policy making. efforts have been made to study the risk factors as the deterrents to engaging in the society. methods: this study aims to investigate the factors influencing civic engagement among...

Background: Vitiligo is a dermatological disorder of unknown etiology with a common incidence in southern Iran. Presence of autoantibodies to melanocyte antigens suggested an autoimmune basis of the disease. Objective: In this study, the presence of rheumatoid factor (RF) in sera and skin biopsies of vitiligo patients was investigated. Methods: The presence of RF in sera of 35 vitiligo and 32 n...