Carcinogenicity reports were performed with codeine. Two-yr reports in F344/N rats and B6C3F1 mice had been carried out to assess the carcinogenic possible of codeine. No evidence of tumorigenicity was observed in male and female rats at codeine dietary doses as much as 70 and eighty mg/kg/day (approximately similar to https://neilv233eer9.wikisona.com/user