J. R. M. Tampubolon, C. P. S. L. Toruan, and L. D. Utari, “Prior Endoscopic Treatment and Recurrence after Anterior Urethroplasty in Men with Urethral Stricture Disease: A Systematic Review and Meta-Analysis”, IJGHR, vol. 8, no. 6, pp. 123–136, Sep. 2026.