title: [Endoscopy of upper gastrointestinal hemorrhages (U.G.H.) Follow-up during a regular year].
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D005336:Fiber Optic Technology; D006471:Gastrointestinal Hemorrhage / Q000453:epidemiology*; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged; D012621:Seasons; D013030:Spain
vernacular_title: Endoscopia en las hemorragias digestivas altas (H.D.A.) Comportamiento durante un año natural.