Iranian Journal of Health, Safety and Environment e-ISSN: :2345-5535 Iran university of Medical sciences, Tehran, Iran
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		Mohammad Hassan Nassir- Kashani
								
Occupational Medicine Research Center (OMRC) & Faculty of medicine of Iran University of medical sciences (IUMS)		
Iran, Islamic Republic of	
		Mashallah Aghilinejad
								
Occupational Medicine Research Center (OMRC) & Faculty of medicine of Iran University of medical sciences (IUMS)		
Iran, Islamic Republic of	
		Amir Bahrami-Ahmadi
								
Occupational Medicine Research Center (OMRC) & Faculty of medicine of Iran University of medical sciences (IUMS)		
Iran, Islamic Republic of	
		Mohammad Kazem Nouri
								
Member of Occupational Medicine Research Center (OMRC) of Iran university of medical sciences and health services and manager of Safety, Health & Environment of IMIDRO (Iranian Mines and mining Industries Development and Renovation Organization)		
Iran, Islamic Republic of	
		Behzad Biglari
								
Student of PhD, manager of human resource		
Iran, Islamic Republic of	
		Elaheh Kabir Mokamelkhah
								
Occupational Medicine Research Center (OMRC) & Faculty of medicine of Iran University of medical sciences (IUMS)		
Iran, Islamic Republic of