The examination of the gastric mucosa through a large gastrotomy in the diagnosis of intestinal hemorrhage of obscure origin.
D005753:Gastric Mucosa; D006471:Gastrointestinal Hemorrhage; D041981:Gastrointestinal Tract; D006470:Hemorrhage; D006801:Humans; D013270:Stomach / Q000601:surgery*
GASTROINTESTINAL SYSTEM/hemorrhage; STOMACH/surgery