title: [Research on the carcinogenic activities of N-nitrosopyrrolidine, N-nitroso-2-pyrrolidone, and N-nitroso-5-methyl-2-pyrrolidone (author's transl)].
mesh_terms: D000818:Animals; D002273:Carcinogens; D008297:Male; D009602:Nitrosamines; D011759:Pyrrolidines; D011760:Pyrrolidinones; D051381:Rats; D013329:Structure-Activity Relationship
chemical_list: D002273:Carcinogens; D009602:Nitrosamines; D011759:Pyrrolidines; D011760:Pyrrolidinones