title: A clinical trial of an oral urea preparation (Carbamine) in peptic ulcer therapy.
mesh_terms: D002986:Clinical Trials as Topic; D004381:Duodenal Ulcer / Q000188:drug therapy*; D006801:Humans; D013276:Stomach Ulcer / Q000188:drug therapy*; D014508:Urea / Q000627:therapeutic use*
chemical_list: D014508:Urea