Kaaman, T. “Cell-Mediated Reactivity in Dermatophytosis: Differences in Skin Responses to Purified Trichophytin in Tinea Pedis and Tinea Cruris”. Acta Dermato-Venereologica, vol. 61, no. 2, Mar. 1981, pp. 119-23, doi:10.2340/0001555561119123.