8Schermer A, Galvin S, Sun Tr. Differentiation-related expression of a major 64K corneal keratin in vivo and in culture suggests limbal Location of corneal epithelial stem. Cell Biol 1986 ; 103 ( 1 ) :49- 62
9Holland FJ,Chan CC,Wetzig RP,Clinical and immunohistologic studies of corneal rejection in the rat penetrating keratoplasty model.Cornea,1991;10(5):374-380.
10D'Amato RJ,Loughnan MS,Flynn E,Thalidomide is an inhibitor of angiogenesis.Proc Natl Acad Sci USA,1994;91(9):4082-4085.