3Fraker PJ, King LE, Laakko T, et al.The dynamic link between the integrity of the immune system and zinc status[J].J Nutr, 2000, 130 (5S Suppl):1399S-1406S.
4MacDonald RS. The role of zinc in growth and cell proliferation[J]. J Nutr,2000,130(5S Suppl): 1500S- 1508S.