@incollection{,
	
					
					
					2232EA51C119FBB11416C7E0F3D0DF4C
				,
	author={{Mohammad HosseinMoafi}},
	journal={{Global Journal of Researches in Engineering}},
	journal={{GJRE}}2249-45960975-586110.34257/gjre,
	address={Cambridge, United States},
	publisher={Global Journals Organisation}1333543
}

@incollection{b0,
	
	
		,
	title={{Silica and silicosis in silica flour workers}}
		,
	author={{
			DEBanks
		} and {
			KLMorring
		} and {
			BABoehlecke
		} and {
			RBAlthouse
		} and {
			Ja1981Merchant
		}}
		
		
		
		
	
	
		,
	journal={{Am Rev Respir Dis J}}
		
			124
			4
			
		
	

}

@incollection{b1,
	
	
		,
	title={{occupational exposure to dust in quartz manufacturing industry}}
		,
	author={{
			MHFulekar
		}}
	
	
		,
	journal={{Ann occup Hyg J}}
		
			143
			
			,
	year={1999}
		
	

}

@book{b2,
	
	
		,
	title={{Study of dusts and free silica (quartz) in Kashmar construction mine, M.Sc. Thesis in the field of Professional Health}}
		,
	author={{
			ManouchehrSakhaei
		}}
		
			,
	year={1998}
		
		
			Tehran University of Medical Sciences & Health, Treatment Services, Faculty of Health and Health Research Institute
		
	

}

@book{b3,
	
	
		,
	title={{Study of Exposure to total dusts and crystal silica (quartz) on workers of under construction subway tunnel of Tehran, M.Sc. Thesis in the field of Professional Health}}
		,
	author={{
			SajadMousavi
		}}
		
			,
	year={2009}
		
		
			Tehran University of Medical Sciences & Health, Treatment Services, Faculty of Health
		
	

}

@book{b4,
	
	
		,
	title={{Study of Exposure to Free Silica and its Effects on Professionals of Glassworking, M.Sc. Thesis in the field of Professional Health}}
		,
	author={{
			HabibollahDehghan
		}}
		
			,
	year={1994}
		
		
			Tarbiat Modarres University
		
	

}

@book{b5,
	
	
		,
	title={{Analysis of Concentration of Dusts and Percentage of Free Silica in Different Parts of Foundry, M.Sc. Thesis in the field of Professional Health}}
		,
	author={{
			SheidaMollahosseini
		}}
		
			,
	year={1990}
		
		
			Tehran University of Medical Sciences & Health
		
	
	,
	note={Treatment Services}

}