Studies on the effect of antibiotics on the intestinal weights of chicks.
D000818:Animals; D000900:Anti-Bacterial Agents; D002645:Chickens; D002751:Chlortetracycline / Q000494:pharmacology*; D006801:Humans; D007422:Intestines / Q000187:drug effects*; D010406:Penicillins / Q000494:pharmacology*; D011200:Poultry
D000900:Anti-Bacterial Agents; D010406:Penicillins; D002751:Chlortetracycline
CHLORTETRACYCLINE/effects; FOWLS, DOMESTIC; INTESTINES/effect of drugs on; PENICILLIN/effects