M. Peschen, D. Zeiske, H. Laaff, J. Weiss, E. Schöpf, and W. Vanscheidt, “Clinical histochemical and immunohistochemical investigation of the capillary basal membrane in chronic venous insufficiency”., Acta Derm Venereol, vol. 76, no. 6, pp. 433–436, Nov. 1996.