title: Evaluation of gastrointestinal bleeding during adolescence.
mesh_terms: D000293:Adolescent; D000792:Angiography; D004378:Duodenal Diseases / Q000150:complications; D004724:Endoscopy; D004935:Esophageal Diseases / Q000150:complications; D005243:Feces; D006471:Gastrointestinal Hemorrhage / Q000097:blood / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000209:etiology; D006801:Humans; D007410:Intestinal Diseases / Q000150:complications; D008487:Medical History Taking; D010808:Physical Examination; D011877:Radionuclide Imaging; D013272:Stomach Diseases / Q000150:complications; D013667:Technetium
chemical_list: D013667:Technetium