6[1]M.oseh.The role of zinc in acquried immunodeficiency syndrone[J].Journal of Internal Medicine.1992,231:463-469.
7[7]Mellow MH layne EA, Lipman. To, et al, Plasma zinc and vitamin A in human squamous carcinoma of the esophagus[J].cancer.1983,51(9):1615-1620.
8[8]Fong LYY, Lee Jsk, Cham WC, et al. Zinc deficiency and the development of esophagead and forestomach tumors in sprague Dawley rats fed precursors of N-nitroso-N-benzhmethylamine[J].JNCI,1984,72(2):419-423.
