%0 Journal Article %T Chronic Ulcers in Thromboangiitis Obliterans (Buerger's Disease): Updating Epidemiology, Physiopathology, and Bosentan¡ªA Novel Strategy of Therapy %A Ignacio L¨®pez de Maturana %A Javier Rodriguez %A Carmen Gonz¨¢lez %A Silvia Bleda %J Ulcers %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/230780 %U http://dx.doi.org/10.1155/2013/230780