1. Large anterior urethral calculus presented as scrotal mass with urethrocutaneous fistula;Prakash;BMJ Case Rep,2013
2. Urethral calculi with a urethral fistula: A case report and review of the literature;Zeng;BMC Res Notes,2017
3. Outcomes of urethral calculi patients in an endemic region and an undiagnosed primary fossa navicularis calculus;Verit;Urol Res,2006
4. Female urethral diverticulum containing a calculus: a case report;Susco;W V Med J,2008
5. Giant prostatic urethral calculus associated with urethrocutaneous fistula;Kaplan;Int J Urol.,2006