Medication, age and abstinence days associated with low semen quality: A cross-sectional study in more than 7000 men visiting the centre for reproductive medicine. - Horst, P.G.J. ter; Edens, M.A.; Besten-Bertholee, D. den; Mulder, L.W.; Curfs, M.H.J.M. (PLoS ONE, 2025)