Exploring Sex Activity Impact on Biological Biomarkers and Athletic Parameters in Sexually and Physically Active Healthy Adults: A Systematic Review of Clinical Trials. - Fernández-Lázaro, Diego; Seco-Calvo, Jesús; Izquierdo, José María; Mielgo-Ayuso, Juan; Roche, Enrique; Santamaría, Gema (Physiologia, 2025)