TY - BOOK AU - Becker,Frederick F. TI - Etiology--chemical and physical carcinogenesis T2 - Cancer ; v. 1 SN - 030635201X : AV - RC261RC268.5 .C263 vol. 1 U1 - 616.994008 22 PY - 1975///] CY - New York PB - Plenum Press KW - Carcinogenesis KW - Neoplasms N1 - Includes bibliographies and index ER -