The Prostate 54 : 220 ^ 229 ( 2003 ) SerumHumanGlandularKallikrein ( hK 2 ) and Insulin-LikeGrowth Factor 1 ( IGF-1 ) Improve theDiscriminationBetweenProstateCancer andBenign ProstaticHyperplasia in CombinationWithTotaland % Free PSA

Andreas Scorilas, Mario Plebani, Saverio Mazza, Daniela Basso, Antoninus R. Soosaipillai, Nikos Katsaros, Francesco Pagano, and Eleftherios P. Diamandis* National Center for Scientif|c Research‘‘Demokritos,’’IPC, Athens,Greece Departmentof LaboratoryMedicine,University-Hospitalof Padova,Padova, Italy Departmentof Pathologyand LaboratoryMedicine,Mount SinaiHospital,Toronto,Ontario,Canada Departmentof LaboratoryMedicineand Pathobiology,Universityof Toronto,Toronto,Ontario,Canada Institute ofUrology,University-Hospitalof Padova, Padova, Italy