[Histopathological studies on experimental vitamin B12 neuropathy].
D000818:Animals; D009422:Nervous System Diseases / Q000473:pathology; D009900:Optic Nerve / Q000473:pathology*; D051381:Rats; D012160:Retina / Q000473:pathology*; D013116:Spinal Cord / Q000473:pathology*; D014806:Vitamin B 12 Deficiency / Q000473:pathology*