[1]
van de Kerkhof, P. et al. 1988. Intra-epidermal accumulation of polymorphonuclear leukocytes in persistent palmoplantar pustulosis during treatment with acitretin. Acta Dermato-Venereologica. 68, 6 (Nov. 1988), 499–503. DOI:https://doi.org/10.2340/0001555568499503.