2008499 Cohort studies on cancer mortality of digestive system among workers exposed to asbestos:a meta analysis.SUN Tongda(孙统达),et al.Instit Public Health & Family Med,Ningbo Health Sci Coll,Ningbo 315100.Chin...2008499 Cohort studies on cancer mortality of digestive system among workers exposed to asbestos:a meta analysis.SUN Tongda(孙统达),et al.Instit Public Health & Family Med,Ningbo Health Sci Coll,Ningbo 315100.Chin J Ind Hyg Occup Dis 2008;26(10):605-608. Objective To determine if there are excessive risks of malignant展开更多
文摘2008499 Cohort studies on cancer mortality of digestive system among workers exposed to asbestos:a meta analysis.SUN Tongda(孙统达),et al.Instit Public Health & Family Med,Ningbo Health Sci Coll,Ningbo 315100.Chin J Ind Hyg Occup Dis 2008;26(10):605-608. Objective To determine if there are excessive risks of malignant