title: C-type virus particles produced by normal mouse spleen-thymus cultures.
mesh_terms: D000818:Animals; D002460:Cell Line / Q000382:microbiology*; D002499:Centrifugation, Density Gradient; D011232:Chemical Precipitation; D046508:Culture Techniques; D004254:DNA Nucleotidyltransferases / Q000378:metabolism; D004279:DNA, Viral / Q000096:biosynthesis; D003911:Dextrans; D006018:Glycols; D006358:Hot Temperature; D009052:Leukemia Virus, Murine / Q000032:analysis* / Q000201:enzymology / Q000378:metabolism; D051379:Mice; D008815:Mice, Inbred Strains; D008854:Microscopy, Electron; D012367:RNA, Viral / Q000032:analysis* / Q000302:isolation & purification; D013154:Spleen; D013395:Sucrose; D013431:Sulfates; D013950:Thymus Gland; D014316:Tritium; D014529:Uridine
chemical_list: D004279:DNA, Viral; D003911:Dextrans; D006018:Glycols; D012367:RNA, Viral; D013431:Sulfates; D014316:Tritium; D013395:Sucrose; D004254:DNA Nucleotidyltransferases; D014529:Uridine