title: The causes of skin ulcerations associated with venous insufficiency: a unifying hypothesis.
mesh_terms: D005609:Free Radicals; D006801:Humans; D006973:Hypertension / Q000150:complications; D007239:Infections / Q000150:complications; D007511:Ischemia / Q000150:complications; D008954:Models, Biological; D012883:Skin Ulcer / Q000209:etiology* / Q000266:history; D014689:Venous Insufficiency / Q000150:complications*
chemical_list: D005609:Free Radicals