title: [Clinical evaluation of several diagnostic approaches for upper gastrointestinal hemorrhage].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000792:Angiography; D001466:Barium Sulfate; D002648:Child; D002675:Child, Preschool; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis*; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D001466:Barium Sulfate