Y. Hou, Y. Zhang, Y. Zhang, W. Huo, and H. Li, “Comparison between Microsurgical Subinguinal Varicocelectomy with and without Testicular Delivery for Infertile Men: Is Testicular Delivery an Unnecessary Procedure?”, Urol J, vol. 12, no. 4, pp. 2261–2266, Sep. 2015.