[A prospective, randomized, multicenter, double-blind clinical trial of "xi lei san" in the treatment of duodenal ulcer].
D000818:Animals; D000897:Anti-Ulcer Agents / Q000627:therapeutic use*; D002927:Cimetidine / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004381:Duodenal Ulcer / Q000188:drug therapy*; D006801:Humans; D008297:Male; D008516:Medicine, Chinese Traditional; D008518:Medicine, East Asian Traditional; D011897:Random Allocation; D051381:Rats; D012008:Recurrence
D000897:Anti-Ulcer Agents; D002927:Cimetidine