title: Methylation of DNA by 3H-14C-methyl-labelled N-methyl-N-nitrosourea--evidence for transfer of the intact methyl group.
mesh_terms: D000225:Adenine; D000818:Animals; D002250:Carbon Radioisotopes; D002273:Carcinogens; D002845:Chromatography; D003562:Cytidine; D004247:DNA / Q000032:analysis*; D006147:Guanine; D006868:Hydrolysis; D008297:Male; D008697:Methane; D008745:Methylation; D009607:Nitrosourea Compounds; D012474:Salmon; D013056:Spectrophotometry, Ultraviolet; D013094:Spermatozoa; D013936:Thymidine; D014316:Tritium
chemical_list: D002250:Carbon Radioisotopes; D002273:Carcinogens; D009607:Nitrosourea Compounds; D014316:Tritium; D003562:Cytidine; D006147:Guanine; D004247:DNA; D000225:Adenine; D008697:Methane; D013936:Thymidine