Expression of urokinase-type plasminogen activator (uPA) and its inhibitor PAI-1 in benign, borderline, malignant primary and metastatic ovarian tumors. - Van der Burg,M.EL.; Henzen-Logmans,S.C.; Berns,E.MJJ.; Putten,W.LJ.; van Klijn,J.GM.; Foekens,J.A. (Int J Cancer (Pred Oncol), 1996)