4Serre G, Vincent C, Viraben R, et al. Nature IgM and IgG autoantibodies to epidermal keratins in normal human sera. I: ELISA - Titra tion immunoflourescence study. J Invest Dermatol 1987; 88: 21 - 27.
6Li CX, Wan YH, Chi SM, et al. Purification of natural antikeratin autoantibodies from normal human serum and their effect on human keratinocytes cultured in vitro. Br J Dermatol 2001 ; 145: 737 - 748.