Some historical notes on chlortetracycline.
D000821:Animal Feed; D000818:Animals; D002751:Chlortetracycline / Q000266:history* / Q000302:isolation & purification / Q000494:pharmacology; D049673:History, 20th Century; D011200:Poultry / Q000254:growth & development; D013552:Swine / Q000254:growth & development
D002751:Chlortetracycline