Estrogen contamination of pelleted feed for laboratory animals; effect on guinea pig reproduction.
D000818:Animals; D000830:Animals, Laboratory; D004967:Estrogens; D005260:Female; D005835:Genitalia; D005836:Genitalia, Female / Q000187:drug effects*; D006168:Guinea Pigs; D012098:Reproduction / Q000187:drug effects*
D004967:Estrogens
ESTROGENS/effects; GENITALIA, FEMALE/effect of drugs on; REPRODUCTION/effect of drugs on