title: Effect of isoxazolyl-penicillin on the rectal absorption of ampicillin in rabbits and humans.
mesh_terms: D000328:Adult; D000667:Ampicillin / Q000378:metabolism*; D000818:Animals; D006801:Humans; D007408:Intestinal Absorption / Q000187:drug effects*; D008297:Male; D008875:Middle Aged; D010406:Penicillins / Q000494:pharmacology*; D011817:Rabbits; D012007:Rectum / Q000378:metabolism; D013045:Species Specificity
chemical_list: D010406:Penicillins; D000667:Ampicillin