Optic neuropathy in vitamin B12 deficiency.
J M
JM
de Letona
D006801:Humans; D008297:Male; D008875:Middle Aged; D009748:Nutrition Disorders / Q000150:complications*; D011183:Postoperative Complications; D014786:Vision Disorders / Q000209:etiology*; D014806:Vitamin B 12 Deficiency / Q000150:complications