title: Relative absorption of both tetracycline and penicillin G administered rectally and orally in aqueous solution.
mesh_terms: D000328:Adult; D002986:Clinical Trials as Topic; D005215:Fasting; D006801:Humans; D007408:Intestinal Absorption; D008297:Male; D008875:Middle Aged; D010400:Penicillin G / Q000008:administration & dosage / Q000378:metabolism* / Q000652:urine; D012007:Rectum; D012996:Solutions; D013752:Tetracycline / Q000008:administration & dosage / Q000378:metabolism* / Q000652:urine; D013997:Time Factors
chemical_list: D012996:Solutions; D013752:Tetracycline; D010400:Penicillin G