4Thoft RA and Friend J. The ZYZ hypothesis of corneal epithelial maintenanee. Invest Ophthalmol Vis Sci 1983 24:1442
5Lavker RM. Relative proliferative rats of limbal and corneal epithelia.Invest Ophthalmol Vis Sci 1991 32:1864
6Wiley L. Regional herengeneity in human corneal and limbal epithelial: an immunohistochemical evaluation. Invest Ophthalmol Vis Sci 1991 32:594～602
7Na BK, Hwang Jh, Kim Jc, et al. Analysis of human amniotic membrane components as proteinase inhibitors for development of therapeutic agent to recalcitrant keratitis. Trophoblast Res 199913:453～466
8Bultmann S, You L, Spandau U, et al. Amniotic membrane downregulates chemokine expression in human keratocytes. Invest Ophthalmol Vis Sci 1999 40:578
9Shimazaki J, Shinozaki N, Tsubots K. Transplantation of armniotic membrane and limbal autograft for patients with recurrent ptergium associated with symblepharon. Br J Ophthalmol 1998 82: 235～240
10Ma DHK, See LC, Liau SB, et al. Amniotic membrane graft for primary pterygium: comparison with conjunctival autograft and topical mitomycin C treatment. Br J Ophthalmol 2000 84:973～978
