title: Retrograde jejunogastric intussusception: an unusual cause of severe hematemesis.
mesh_terms: D005260:Female; D005763:Gastroenterostomy; D006396:Hematemesis / Q000209:etiology*; D006801:Humans; D007443:Intussusception / Q000150:complications*; D007579:Jejunal Diseases / Q000150:complications*; D008875:Middle Aged; D011183:Postoperative Complications