Different surgical therapies in identical twins with duodenal ulcers.
D004200:Diseases in Twins / Q000601:surgery*; D004381:Duodenal Ulcer / Q000601:surgery*; D005223:Fats / Q000032:analysis; D005243:Feces / Q000032:analysis; D005743:Gastrectomy; D006801:Humans; D008297:Male; D008875:Middle Aged; D010439:Peptic Ulcer Perforation / Q000601:surgery; D011708:Pylorus / Q000601:surgery; D014628:Vagotomy
D005223:Fats