Methylation of DNA by N-methyl-N-nitrosourethane and N-methyl-N-nitroso-N'-nitroguanidine.
D000818:Animals; D002247:Carbon Isotopes; D002850:Chromatography, Gel; D002854:Chromatography, Paper; D004247:DNA / Q000378:metabolism*; D003911:Dextrans; D006146:Guanidines / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D008745:Methylation; D009603:Nitroso Compounds / Q000378:metabolism*; D013053:Spectrophotometry; D014520:Urethane / Q000378:metabolism*
D002247:Carbon Isotopes; D003911:Dextrans; D006146:Guanidines; D009603:Nitroso Compounds; D014520:Urethane; D004247:DNA