Tambunan, J., and N. Nuryatno. “Uretrocystography Radiography With Urethra Stricture Study at the Adam Malik Hajj Center General Hospital Medan”. International Journal of Public Health Excellence (IJPHE), vol. 3, no. 1, Dec. 2023, pp. 381-8, doi:10.55299/ijphe.v3i1.681.