A double blind crossover study of diphenylhydantoin in irritable bowel syndrome.
D002986:Clinical Trials as Topic; D003109:Colonic Diseases, Functional / Q000188:drug therapy*; D004311:Double-Blind Method; D006801:Humans; D010672:Phenytoin / Q000627:therapeutic use*; D011897:Random Allocation
D010672:Phenytoin