The challenge to man of the neoplastic cell.
D000818:Animals; D001358:Avian Sarcoma Viruses; D049673:History, 20th Century; D008324:Mammary Tumor Virus, Mouse; D009368:Neoplasm Transplantation; D009369:Neoplasms / Q000209:etiology / Q000503:physiopathology* / Q000628:therapy; D009858:Oncogenic Viruses; D010307:Parotid Neoplasms; D011120:Polyomavirus; D001357:Sarcoma, Avian; D014412:Tumor Virus Infections