EEuropean Urology2/13/2026P0823 Are reference intervals for free testosterone in healthy men reliable also in infertile men? Findings from a cross-sectional studyF. Passarelli·A. Salonia·L. Zahiti·L. Boeri·M. Raffo·E. Montanari·S. De Luca·A. Mattei·C. Piccolo·F. Montorsi·A. Bertini·E. Pozzi·G. Birolini·A. d'Arma·F. NegriRead at European UrologyTagsHormonal and reproductive studiesEndocrinology, Diabetes and Metabolism