Carcinogenicity scientific studies have been carried out with codeine. Two-calendar year studies in F344/N rats and B6C3F1 mice have been executed to evaluate the carcinogenic opportunity of codeine. No evidence of tumorigenicity was noticed in male and female rats at codeine dietary doses up to 70 and 80 mg/kg/day (somewhere https://assisiy344hdy1.sasugawiki.com/user