title: Letter: Enterolith small bowel obstruction (pseudogallstone ileus).
mesh_terms: D000368:Aged; D002137:Calculi / Q000175:diagnosis* / Q000601:surgery; D003937:Diagnosis, Differential; D005244:Fecal Impaction / Q000175:diagnosis; D005260:Female; D006801:Humans; D007082:Ileum / Q000601:surgery*; D007410:Intestinal Diseases / Q000175:diagnosis; D007415:Intestinal Obstruction / Q000175:diagnosis*; D008722:Methods