Varicocele (Swollen Veins Around Testicle): References

Varicocele. University if Iowa Hospitals and Clinics. https://uihc.org/health-library/varicoceles. Accessed April 5, 2017.

Brenner JS, Ojo A. Causes of painless scrotal swelling in children and adolescents. UpToDate. https://www.uptodate.com/contents/causes-of-painless-scrotal-swelling-in-children-and-adolescents?source=search_result&search=Varicocele&selectedTitle=2~13. Last updated May 9, 2016. Accessed April 5, 2017.