TY - BOOK ED - National Cancer Institute (U.S.) TI - Separation of cells from a fibrosarcoma in renografin density gradients PY - 1974///] CY - [Washington, D.C. KW - Cancer KW - Research N1 - Reprinted from JNCI, v.52, no.1, Jan. 1974; CRDP Program Historic Shelflist record ER -