title: Biochemical evidence for the presence of RNA tumor viruses in human leukemic plasma.
mesh_terms: D009189:Avian Myeloblastosis Virus; D004273:DNA, Neoplasm / Q000032:analysis; D004279:DNA, Viral / Q000032:analysis; D007938:Leukemia / Q000097:blood / Q000382:microbiology*; D007958:Leukocyte Count; D007962:Leukocytes; D009360:Neoplastic Cells, Circulating / Q000032:analysis; D009693:Nucleic Acid Hybridization; D012328:RNA Viruses; D012334:RNA, Neoplasm / Q000032:analysis; D012367:RNA, Viral / Q000032:analysis; D012194:RNA-Directed DNA Polymerase / Q000032:analysis; D011925:Rauscher Virus; D012190:Retroviridae / Q000302:isolation & purification; D012260:Ribonucleases / Q000494:pharmacology; D014461:Ultracentrifugation
chemical_list: D004273:DNA, Neoplasm; D004279:DNA, Viral; D012334:RNA, Neoplasm; D012367:RNA, Viral; D012194:RNA-Directed DNA Polymerase; D012260:Ribonucleases