Incarcerated jejunogastric retrograde intus- susception associated with hematemesis: gastroscopic observations.
D005773:Gastroscopy; D006396:Hematemesis / Q000209:etiology*; D006801:Humans; D007443:Intussusception / Q000150:complications*; D007583:Jejunum / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013272:Stomach Diseases / Q000150:complications*