title: The effects of gastric operations.
mesh_terms: D003677:Deficiency Diseases / Q000209:etiology; D003967:Diarrhea / Q000209:etiology; D004322:Drainage / Q000009:adverse effects; D004377:Dumping Syndrome / Q000209:etiology; D004381:Duodenal Ulcer / Q000601:surgery; D005494:Folic Acid Deficiency / Q000209:etiology; D005764:Gastroesophageal Reflux / Q000209:etiology; D006801:Humans; D007501:Iron / Q000378:metabolism; D010018:Osteomalacia / Q000209:etiology; D010024:Osteoporosis / Q000209:etiology; D011178:Postgastrectomy Syndromes; D013276:Stomach Ulcer / Q000601:surgery; D014628:Vagotomy / Q000009:adverse effects; D014806:Vitamin B 12 Deficiency / Q000209:etiology; D014839:Vomiting / Q000209:etiology
chemical_list: D007501:Iron