2Vaughan DG, Asbury T, Riordan - Eva P. General Ophthalmology[ M ]. 14th ed. New York : Appleton, 1995.117.
3Schemer A , Galvin S, Sun TT. Differentiation- related expression of a major 64K corneal keratin in vivo and in culture suggests limbal location of corneal epithelial stem cells[J] .J Cell Biol , 1986,103(4) :49.
4Tsubota K .Treatment of serve ocular - surface discords with corneal epithelial stem - cell transplation[J]. N Engl J Med , 1999,3(3) :1698 - 1703.
5Chung EH . Expression of alpha- enolase in stem and transient amplifying cells[J]. Invest Ophthamol Vis Sci , 1995 ,36(7):1336-1343 .
