Sokrateva, Todorka, Galina Nenkova, Milka Nashar, Ayshe Salim, Silviya Silviya, Diana Ivanova, and Bogdan Roussev. 2025. “Association of Vitamin D and Certain Lifestyle Habits With Sperm Quality”. Proceedings of the Bulgarian Academy of Sciences 78 (3). Sofia, Bulgaria:450–460. https://doi.org/10.7546/CRABS.2025.03.15.