8[2]Chew B P.Antioxidant vitamins affect food animal immunity and health[J].Nutrition,1995,125:1804-1818.
9[6]Smith S M,Levy S,Hayes C E.Mpaired immunity in vitamin A deficient mice[J].Nutrition,1987,117:857-865.
10[9]Barja G,et al.Dietary vitamin C decreases endogenous protein oxidative damage,alondialdehyde,and lipid peroxidation and maintains fatty acid unsaturation in the guinea pig liver[J].Free Radical Biological Medicine,1996,17:105-115.