title: Studies on the structures of polar dyes from liver proteins of rats fed N-methyl-4-aminoazobenzene: I. Retention of the methyl group.
mesh_terms: D000818:Animals; D001391:Azo Compounds / Q000378:metabolism*; D002247:Carbon Isotopes; D004396:Coloring Agents / Q000378:metabolism*; D008099:Liver / Q000378:metabolism*; D008297:Male; D008954:Models, Biological; D010084:Oxidation-Reduction; D011485:Protein Binding; D011506:Proteins / Q000378:metabolism*; D051381:Rats; D014316:Tritium
chemical_list: D001391:Azo Compounds; D002247:Carbon Isotopes; D004396:Coloring Agents; D011506:Proteins; D014316:Tritium