TY - BOOK ED - National Cancer Institute (U.S.) TI - Resistance to transplants of recent spontaneous parental line tumors by F1 hybrid hosts 1,2 PY - 1970///?] CY - [Washington, D.C. KW - Cancer KW - Research N1 - [Reprinted from the Journal of the National Cancer Institute]; CRDP Program Historic Shelflist record ER -