title: Sonographic diagnosis of afferent loop obstruction.
mesh_terms: D000368:Aged; D004380:Duodenal Obstruction / Q000175:diagnosis; D005260:Female; D006801:Humans; D007415:Intestinal Obstruction / Q000175:diagnosis*; D007583:Jejunum; D008297:Male; D008875:Middle Aged; D014463:Ultrasonography