[On the problem of the etiology of carcinoma].
D002273:Carcinogens; D004247:DNA; D004273:DNA, Neoplasm; D006801:Humans; D009369:Neoplasms; D009858:Oncogenic Viruses; D012313:RNA; D012334:RNA, Neoplasm
D002273:Carcinogens; D004273:DNA, Neoplasm; D012334:RNA, Neoplasm; D012313:RNA; D004247:DNA
CARCINOGENS; DNA, NEOPLASM; NEOPLASMS; RNA, NEOPLASM; TUMOR VIRUSES