TY - BOOK ED - National Cancer Institute (U.S.) TI - Ultrastructural comparison of placental virus with several type-C oncogenic viruses T2 - Brief communication PY - 1974///] CY - [Washington, D.C. KW - Cancer KW - Research N1 - [Reprinted from JNCI, v.52, no.4, Apr. 1974]; CRDP Program Historic Shelflist record ER -