Author/Authors :
Pirsaheb Meghdad نويسنده Department of Environmental Health Engineering, Health Research Center, Faculty of Health, Kermanshah University of Medical Sciences, Kermanshah, Pirsaheb Meghdad , Limoee Mojtaba نويسنده Depatment of Public Health and Research Center for Environmental Epidemiology, Iran Nosocomial Infections Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran , Hossini Hooshyar نويسنده Department of Environmental Health, School of Medical Sciences, Tarbiat Modares University, Tehran, Iran , Hossaini Hiwa نويسنده
