[1]
D. Mehraban, M. Ansari, H. Keyhan, M. Sedighi Gilani, G. Naderi, and F. Esfehani, “Comparison of Nitric Oxide Concentration in Seminal Fluid between Infertile Patients with and without Varicocele and Normal Fertile Men”, Urol J, vol. 2, no. 2, pp. 106–110, May 2009.