Heyer, G., Ulmer, F. J., Schmitz, J., & Handwerker, H. O. (1995). Histamine-induced itch and alloknesis (itchy skin) in atopic eczema patients and controls. Acta Dermato-Venereologica, 75(5), 348–352. https://doi.org/10.2340/0001555575348352