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3. Zur Virusatiologie des keratoakanthoms;Forck;Hautarzt,1965
4. On the virus etiology of keratoacanthoma;Gay Prieto;Acta Dermato. vener.,1964
5. Sulle presenza di microcorpi intranucleari in cellule epidermiche di dermatosi bollose del gruppo pemfigo. Osservazioni al mi-croscopio elettronico;Bellone;G. Ital. Derm.,1964