title: GASTROINTESTINAL HEMORRHAGE 1946-1956. A FOLLOW-UP.
mesh_terms: D005500:Follow-Up Studies; D006471:Gastrointestinal Hemorrhage; D006470:Hemorrhage; D006801:Humans; D009026:Mortality; D013223:Statistics as Topic
keywords: HEMORRHAGE, GASTROINTESTINAL; MORTALITY; STATISTICS