Vitamin B12 deficiency after gastric surgery: its early detection.
Kapadia
C R
CR
D006710:Homocysteine / Q000097:blood*; D006801:Humans; D008764:Methylmalonic Acid / Q000097:blood*; D010437:Peptic Ulcer / Q000601:surgery; D011183:Postoperative Complications / Q000175:diagnosis*; D013270:Stomach / Q000601:surgery*; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis*
D006710:Homocysteine; D008764:Methylmalonic Acid