Fink, AM, A Kottas-Heldenberg, PM Bayer, R Bednar, and A. Steiner. 2003. “Lupus Anticoagulant in Patients With Chronic Venous Insufficiency”. Acta Dermato-Venereologica 83 (4):287-89. https://doi.org/10.1080/00015550310016553.