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Keywords from Image Description:
Varicose veins sp. es La figura muestra una vena normal con una vlvula que funciona bien una circulacin normal La figura muestra una vrice con una vlvula deformada una circulacin anormal unas paredes delgadas estiradas La ilustracin de la mitad muestra dnde podran aparecer vrices en la pierna National Heart Lung and Blood Institute