title: Malignant transformation of hamster cells by cell-free extracts of bovine papillomas (in vitro).
mesh_terms: D000818:Animals; D002417:Cattle; D002471:Cell Transformation, Neoplastic; D002474:Cell-Free System; D006224:Cricetinae; D003470:Culture Media; D046508:Culture Techniques; D009368:Neoplasm Transplantation; D009374:Neoplasms, Experimental / Q000473:pathology*; D010212:Papilloma; D027383:Papillomaviridae; D014020:Tissue Extracts
chemical_list: D003470:Culture Media; D014020:Tissue Extracts