Alzoubi A, Mahdi H, Bashir S. Al, Halalsheh O, Ebbini M Al, Alzarir M, Al-Ahmar K, Alfaqih M, Al-Hadidi AH. Normalization of Serum Vitamin D Improves Semen Motility Parameters in Patients with Idiopathic Male Infertility. Acta Endo (Buc), 2017. 13: 201-208 doi: 10.4183/aeb.2017.X1.