Efficacy and safety of on-demand dapoxetine combined with phosphodiesterase-5 inhibitor compared to monotherapy dapoxetine as a treatment of premature ejaculation without erectile dysfunction: a systematic review and meta-analysis. (2025). Archivio Italiano Di Urologia E Andrologia, 97(3). https://doi.org/10.4081/aiua.2025.14117