title: Loss of 7-methylguanine from rat liver DNA after methylation in vivo with methylmethanesulphonate or dimethylnitrosamine.
mesh_terms: D000477:Alkylating Agents / Q000494:pharmacology; D000818:Animals; D002247:Carbon Isotopes; D002852:Chromatography, Ion Exchange; D004247:DNA; D004355:Drug Stability; D006147:Guanine / Q000378:metabolism*; D006868:Hydrolysis; D007700:Kinetics; D008099:Liver / Q000187:drug effects / Q000378:metabolism*; D008297:Male; D008745:Methylation; D012335:RNA, Ribosomal / Q000378:metabolism; D051381:Rats; D013997:Time Factors
chemical_list: D000477:Alkylating Agents; D002247:Carbon Isotopes; D012335:RNA, Ribosomal; D006147:Guanine; D004247:DNA