title: [Vitamin B12 in the nervous system (author's transl)].
mesh_terms: D000328:Adult; D000818:Animals; D002490:Central Nervous System / Q000378:metabolism*; D005260:Female; D006801:Humans; D008297:Male; D009896:Optic Atrophy / Q000209:etiology; D051381:Rats; D012907:Smoking / Q000150:complications; D013116:Spinal Cord / Q000378:metabolism; D014805:Vitamin B 12 / Q000134:cerebrospinal fluid / Q000378:metabolism*; D014806:Vitamin B 12 Deficiency / Q000209:etiology
chemical_list: D014805:Vitamin B 12