TY - BOOK ED - National Cancer Institute (U.S.) TI - Frequency of mammary cell diviision [sic] in relation to age: its significance in the indiction of mammary tumros [sic] by carcinogen in rats T2 - Brief communication PY - 1974///] CY - [Washington, D.C. KW - Breast KW - Cancer KW - Research N1 - Reprinted from JNCI, v.52, no.2, Feb. 1974; CRDP Program Historic Shelflist record ER -