Abstract Background Academic stress can cause mental and physical problems affect adolescents’ healthy development. This study aimed to estimate academic explore its sources at the individual- school levels among school-going adolescents in city of Qazvin, Iran. Results cross-sectional used a stratified cluster sampling recruit 1724 students aged 12–19 years from 53 schools Qazvin City. Data we...

Javad Afsar was born in 1988 in Hamedan, Iran. He obtained his B.Sc. (2011) and M.Sc. in Organic Chemistry (2013) from Bu-Ali Sina University, Hamedan, Iran. Currently, he is working towards his Ph.D. under the supervision of Prof. Mohammad Ali Zolfigol and Prof. Ardashir Khazaei at the same university. His research involves design, Synthesis and applications of new catalyst in organic synthesis.

Javad Afsar was born in 1988 in Hamedan, Iran. He obtained his B.Sc. (2011) and M.Sc. in Organic Chemistry (2013) from Bu-Ali Sina University, Hamedan, Iran. Currently, he is working towards his Ph.D. under the supervision of Prof. Mohammad Ali Zolfigol and Prof. Ardashir Khazaei at the same university. His research involves design, Synthesis and applications of new catalyst in organic synthesis.

Health related quality of life (HRQOL) is an important indicator of health status. Knowledge about factors related to HRQOL among military personnel may assist in designing programs to maximize their fitness and readiness for action when called upon. The aim of present study was to assess the HRQOL of military personnel in Iran, compare it to that of other populations in Iran and the U.S., and ...

background: hemophilia a and b are the most frequent congenital coagulation disorders. this study was conducted to determine the prevalence of hepatitis b, c and human immunodeficiency viruses among hemophilic patients in hamadan, iran. patients and methods: in this study, patients with hemophilia a and b treated in hamedan hemophilia center, hamedan, iran, were screened for hepatitis b, c and ...

the effect of chair position on respiratory parameters in patients undergoing mechanical ventilation     fallahinia ghh [1] ,baghcheghi n [2] ,oshvandi kh [3] *,taher a [4] , soltanian ar [5]     received: 7 feb, 2013 accepted: 15 may, 2013    abstract  background & aims : there are many barriers to the movement of patients requiring mechanical ventilation and these patients are at risk for com...