Ranitidine in acute upper gastrointestinal haemorrhage.
D000897:Anti-Ulcer Agents / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005663:Furans / Q000627:therapeutic use*; D006471:Gastrointestinal Hemorrhage / Q000188:drug therapy*; D006801:Humans; D011899:Ranitidine; D012008:Recurrence
D000897:Anti-Ulcer Agents; D005663:Furans; D011899:Ranitidine