title: Abdominal pregnancy causing massive lower gastrointestinal bleeding: case report.
mesh_terms: D000328:Adult; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D011247:Pregnancy; D011269:Pregnancy, Abdominal / Q000150:complications*; D012007:Rectum