1. Alkiewicz, J., Lebioda, J., Rokita, Z.: Über Kolloidkeratose. Derm. Mschr.158, 329?335 (1972)
2. Bart, R. S., Andrade, R., Kopf, A. W.: Cutaneous horns. Acta dermat.-venereol. (Stockh.)48, 507?515 (1968)
3. Coons, A. H., Kaplan, M. H.: Localization of antigen in tissue cells. II. Improvements in a method for the detection of antigen by means of fluorescent antibody. J. exp. Med.91, 1?13 (1950)
4. Cramer, H. J., Kahlert, G.: Das Cornu cutaneum. Derm. Wschr.150, 521?531 (1964)
5. Fyrand, O., Husby, G.: Deposition of fibrinogen (FR-antigen) in skin diseases. I. Psoriasis vulgaris et psoriasis arthropathica. Acta dermat.-venereol. (Stockh.)55, 175?180 (1975)