Intestinal obstruction; ten-year statistical survey at the Hospital of the University of Pennsylvania.
D000368:Aged; D002751:Chlortetracycline / Q000494:pharmacology*; D003625:Data Collection; D006761:Hospitals; D006801:Humans; D007415:Intestinal Obstruction
D002751:Chlortetracycline
AUREOMYCIN/effects; INTESTINAL OBSTRUCTION/in aged