Effect of zeranol on growth rates of steers.
D000818:Animals; D001835:Body Weight / Q000187:drug effects; D002417:Cattle / Q000254:growth & development*; D004343:Drug Implants; D008297:Male; D012118:Resorcinols / Q000494:pharmacology*; D015029:Zeranol / Q000494:pharmacology*
D004343:Drug Implants; D012118:Resorcinols; D015029:Zeranol