[Nonresponders to H2 blockers: why? Preliminary data].
D002927:Cimetidine / Q000008:administration & dosage / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004381:Duodenal Ulcer / Q000188:drug therapy*; D005260:Female; D006801:Humans; D008297:Male; D011897:Random Allocation; D011899:Ranitidine / Q000008:administration & dosage / Q000627:therapeutic use*; D013997:Time Factors
D002927:Cimetidine; D011899:Ranitidine
Non responders agli H2-bloccanti: perché? Dati preliminari.