TY - GEN AU - Zaridze,D G TI - [Methodological approaches to the study of the etiology of human tumors] SN - 0507-3758 PY - 1987///1223 KW - Carcinogens, Environmental KW - adverse effects KW - Humans KW - Neoplasms KW - epidemiology KW - Probability KW - Risk Factors N1 - Publication Type: Journal Article ER -