6Takahashi R,Yokoji H,Misawa H,et al.A null mutation in the human CNTF gene is not casually related to neurological diseases [J].Nat Genet,1994,7:79-84.
7Calcutt N A,Muir D,Powell H C,et al.Reduced ciliary neurotrophic factor-like activity in nerve from diabetic or galactose-fed rats[J].Brain Res,1992,575:320-324.