Vitamin-B 12 deficiency and diabetic neuropathy.
D000550:Amblyopia / Q000209:etiology; D000752:Anemia, Pernicious / Q000150:complications; D003486:Cyanides / Q000506:poisoning; D003929:Diabetic Neuropathies / Q000150:complications*; D005260:Female; D006801:Humans; D008297:Male; D009902:Optic Neuritis / Q000209:etiology*; D012907:Smoking / Q000150:complications; D014806:Vitamin B 12 Deficiency / Q000150:complications*
D003486:Cyanides