title: Radioisotope detection of Meckel's diverticulum causing acute rectal hemorrhage.
mesh_terms: D002648:Child; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D008297:Male; D008467:Meckel Diverticulum / Q000150:complications / Q000175:diagnosis*; D011877:Radionuclide Imaging; D012002:Rectal Diseases / Q000175:diagnosis / Q000209:etiology*; D013667:Technetium
chemical_list: D013667:Technetium