PDF(165 KB) 
						
						
					
			A case-control study on exposure to tobacco and pulmonary tuberculosis.
China Tropical Medicine ›› 2009, Vol. 9 ›› Issue (12) : 2230-2231.
						
							PDF(165 KB) 
						
						
					
						
							PDF(165 KB) 
						
						
					A case-control study on exposure to tobacco and pulmonary tuberculosis.
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