title: Exhaustion and recovery of repair excision of O6-methylguanine from rat liver DNA.
mesh_terms: D000818:Animals; D002273:Carcinogens; D004247:DNA / Q000378:metabolism*; D004260:DNA Repair / Q000187:drug effects*; D005260:Female; D006147:Guanine / Q000031:analogs & derivatives* / Q000378:metabolism; D008099:Liver / Q000378:metabolism / Q000528:radiation effects; D008741:Methyl Methanesulfonate / Q000494:pharmacology; D008770:Methylnitrosourea / Q000494:pharmacology*; D009607:Nitrosourea Compounds / Q000494:pharmacology*; D011830:Radiation Effects; D051381:Rats; D013997:Time Factors; D014965:X-Rays
chemical_list: D002273:Carcinogens; D009607:Nitrosourea Compounds; D006147:Guanine; D008770:Methylnitrosourea; D004247:DNA; D008741:Methyl Methanesulfonate