Keskin, Mehmet, Salih Budak, Tuǧba Zeyrek, Orçun Çelik, Oguz Mertoglu, Mehmet Yoldas, and Yusuf Ilbey. 2015. “The Relationship Between Serum Hormone Levels (follicle-Stimulating Hormone, Luteinizing Hormone, Total Testosterone) and Semen Parameters”. Archivio Italiano Di Urologia E Andrologia 87 (3), 194-97. https://doi.org/10.4081/aiua.2015.3.194.