title: Possible etiological role of virus particles detected in rat and monkey mammary tumors.
mesh_terms: D000230:Adenocarcinoma / Q000209:etiology / Q000382:microbiology; D000818:Animals; D002478:Cells, Cultured; D004254:DNA Nucleotidyltransferases / Q000032:analysis; D004622:Embryo, Mammalian / Q000166:cytology; D005260:Female; D007962:Leukocytes / Q000382:microbiology; D008251:Macaca; D008325:Mammary Neoplasms, Experimental / Q000209:etiology* / Q000382:microbiology; D008324:Mammary Tumor Virus, Mouse / Q000201:enzymology / Q000472:pathogenicity*; D008854:Microscopy, Electron; D051381:Rats
chemical_list: D004254:DNA Nucleotidyltransferases