1) Nakashima, T. et al.: Immunopathological study of the larynx. IgA distribution and secretory activity. Ann. Otol. Rhinol. Laryngol., 89: 359-365, 1980.
3) Fraser, G. R. and Friedman, A. I.: The Cases of Blindness in Childhood: A Study of 776 Children with Severe Visual Handicaps. Johns Hopkins Press, Baltimore, 1967.
4) Carner, A. and Klintworth, G. K.: Pathobiology of Ocular Disease. Part A, p. 458, Marcel Dekker, New York, Inc., 1982.
5) Warnke, R. and Levy, R.: Detection of T and B cell atigens with hybridoma monoclonal antibodies. A biotin-avidin-horseradish peroxidase method. J. Histochem. Cytochem., 28: 771-776, 1980.