Munkvad, S., Breuning, L. and Tvedskov, J. (1994) “Low anti-streptokinase IgG concentrations following streptokinase-streptodornase treatment of leg ulcer patients”., Acta Dermato-Venereologica, 74(4), pp. 305–306. doi: 10.2340/0001555574307309.