Ishida, H, M Kumakiri, K Ueda, LM Lao, M Yanagihara, K Asamoto, Y Imamura, S Noriki, and M Fukuda. 2009. “Comparative Histochemical Study of Bowen’s Disease and Actinic Keratosis: Preserved Normal Basal Cells in Bowen’s Disease”. European Journal of Histochemistry 45 (2), 177-90. https://doi.org/10.4081/1628.