TY - BOOK ED - National Cancer Institute (U.S.) TI - Objective 1, develop means to reduce effectiveness of external agents for producing cancer T2 - National cancer program PY - 1973///] CY - [Washington, D.C. KW - Cancer KW - Research N1 - 4to; (DHEW publication (NIH) 74-584.); Distribution made by issuing office; CRDP Program Historic Shelflist record ER -