title: RNA tumor viruses present in growing and absent in regressing mammary tumors of mice.
mesh_terms: D000232:Adenofibroma / Q000139:chemically induced / Q000201:enzymology / Q000382:microbiology*; D000818:Animals; D002499:Centrifugation, Density Gradient; D005260:Female; D008325:Mammary Neoplasms, Experimental / Q000139:chemically induced / Q000201:enzymology / Q000382:microbiology*; D008324:Mammary Tumor Virus, Mouse / Q000302:isolation & purification; D051379:Mice; D008811:Mice, Inbred DBA; D008815:Mice, Inbred Strains; D008854:Microscopy, Electron; D009365:Neoplasm Regression, Spontaneous; D009368:Neoplasm Transplantation; D009693:Nucleic Acid Hybridization; D012328:RNA Viruses / Q000032:analysis / Q000201:enzymology / Q000302:isolation & purification*; D012367:RNA, Viral / Q000032:analysis; D012194:RNA-Directed DNA Polymerase / Q000032:analysis; D014184:Transplantation, Homologous; D014520:Urethane
chemical_list: D012367:RNA, Viral; D014520:Urethane; D012194:RNA-Directed DNA Polymerase