Vitamin B 12  levels in serum and cerebrospinal fluid in Indian subjects with neurological disorders.
D004032:Diet; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D009422:Nervous System Diseases / Q000097:blood / Q000134:cerebrospinal fluid / Q000175:diagnosis*; D014805:Vitamin B 12 / Q000097:blood / Q000134:cerebrospinal fluid* / Q000378:metabolism*
D006454:Hemoglobins; D014805:Vitamin B 12