Gastrointestinal haemorrhage. Costs and benefits.
D002927:Cimetidine / Q000627:therapeutic use; D003362:Cost-Benefit Analysis; D004724:Endoscopy; D006471:Gastrointestinal Hemorrhage / Q000628:therapy*; D006635:Histamine H2 Antagonists / Q000627:therapeutic use; D006801:Humans
D006635:Histamine H2 Antagonists; D002927:Cimetidine