[Venous leg ulcers. A sign of unsuccessful prevention].
Fagrell
B
B
Karolinska sjukhuset, Stockholm.
D006801:Humans; D007871:Leg Ulcer / Q000209:etiology / Q000517:prevention & control*; D014648:Varicose Veins / Q000209:etiology / Q000517:prevention & control*; D014689:Venous Insufficiency / Q000150:complications / Q000628:therapy*