Comparative Effects of Finasteride and Dutasteride on Semen Parameters in Young Men with Androgenic Alopecia: A Randomized Controlled Study February 2026 in “ European Urology ” H.J. Park We don't know much about this study yet. We're maintaining the world's largest resposity of hair loss research. You can help out the community by sending a PDF of this study here . Not sure how to get a study's PDF? You can email the authors of the study. View this study on sciencedirect.com →