Preoperative Plasma Levels of Transforming Growth Factor Beta1 (TGF-β1) Strongly Predict Progression in Patients Undergoing Radical Prostatectomy - Shahrokh F. Shariat; Moshe Shalev; Andres Menesses-Diaz; Isaac Yi Kim; Michael W. Kattan; Thomas M. Wheeler; Kevin M. Slawin (Journal of clinical oncology, 2001)