Folic acid and the nervous system.
D003486:Cyanides / Q000633:toxicity; D005123:Eye / Q000294:innervation; D005492:Folic Acid / Q000378:metabolism*; D006801:Humans; D009443:Neuritis / Q000209:etiology*; D014806:Vitamin B 12 Deficiency / Q000150:complications* / Q000378:metabolism
D003486:Cyanides; D005492:Folic Acid