title: Letters: Importance of red cell B12 and folate levels after partial gastrectomy.
mesh_terms: D004912:Erythrocytes / Q000378:metabolism; D005492:Folic Acid / Q000097:blood; D005743:Gastrectomy; D006801:Humans; D014805:Vitamin B 12 / Q000097:blood*; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis
chemical_list: D005492:Folic Acid; D014805:Vitamin B 12