title: [Evaluation of surgical treatment of gastric ulcer of the upper stomach].
mesh_terms: D004942:Esophagitis, Peptic / Q000209:etiology; D005743:Gastrectomy; D006801:Humans; D007082:Ileum / Q000637:transplantation; D008722:Methods; D011183:Postoperative Complications; D011708:Pylorus / Q000601:surgery; D013270:Stomach / Q000601:surgery; D013276:Stomach Ulcer / Q000601:surgery*; D014182:Transplantation, Autologous; D014805:Vitamin B 12 / Q000378:metabolism
chemical_list: D014805:Vitamin B 12