Postgastrectomy patients.
D000740:Anemia / Q000517:prevention & control; D005743:Gastrectomy / Q000009:adverse effects*; D010018:Osteomalacia / Q000517:prevention & control; D011178:Postgastrectomy Syndromes / Q000517:prevention & control; D011182:Postoperative Care; D011183:Postoperative Complications / Q000517:prevention & control