Ranitidine in acute upper gastrointestinal haemorrhage.
D000897:Anti-Ulcer Agents / Q000627:therapeutic use*; D004381:Duodenal Ulcer / Q000188:drug therapy; D005663:Furans / Q000627:therapeutic use*; D006471:Gastrointestinal Hemorrhage / Q000188:drug therapy*; D006635:Histamine H2 Antagonists / Q000627:therapeutic use*; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000188:drug therapy; D011899:Ranitidine
D000897:Anti-Ulcer Agents; D005663:Furans; D006635:Histamine H2 Antagonists; D011899:Ranitidine