[Vitamin B 12 for amblyopia].
D000550:Amblyopia / Q000139:chemically induced / Q000188:drug therapy*; D006801:Humans; D010947:Plants, Toxic; D014026:Nicotiana; D014805:Vitamin B 12 / Q000627:therapeutic use*
D014805:Vitamin B 12
Vitamin B12 ved amblyopi.