title: Severe lower intestinal bleeding: diagnosis and treatment.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000792:Angiography; D002648:Child; D002675:Child, Preschool; D003082:Colectomy; D003106:Colon / Q000098:blood supply; D004724:Endoscopy; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D006801:Humans; D007223:Infant; D008297:Male; D008467:Meckel Diverticulum / Q000150:complications; D008875:Middle Aged; D013667:Technetium
chemical_list: D013667:Technetium