3Semba R. Vitamin A, Immunity and infection[J]. Clin Infect Dis, 1994,9:489.
4Garbe A, Buck J. Hammerling U. Retinoids are important cofactor in T cellactivation[J]. J Exp Med, 1992,176:109.
5Semba R, Muhilal, Scott A, et al. Depressed immune response to tetanus in childrenwith VA deficiency[J]. J Nutr, 1992,122:101
6Chiarpotto E, Poli G, Alobano E et al. Studies on fatty liver with isolatedhepatocytesⅢ. Cumene hydroperoxide-induced change of several cell funcions[J]. Exp MolPathol, 1984, 41:191.