Seo, W. I., J. K. Kwon, P. M. Kang, W. Kim, J. H. Yoon, T. S. Kim, J. S. Chung, and C. K. Oh. “Laparoscopic -2port Varicocelectomy With Scarless Periumblical Mini-Incision: Initial Experience in Approach and Outcomes”. Urology Journal, vol. 15, no. 2, Mar. 2018, pp. 10-15, doi:10.22037/uj.v15i2.3869.