Castelijns, F. A., Gerritsen, M.-J., van Vlijmen-Willems, I. J., van Erp, P. J., & van de Kerkhof, P. C. (1999). Proliferation is the Main Epidermal Target in the Treatment of Psoriatic Plaques with Once Daily Application of Tacalcitol Ointment. Acta Dermato-Venereologica, 79(2), 111–114. https://doi.org/10.1080/000155599750011309