Sudiyono, Sudiyono, Dwi Rochmayanti, and Asri Indah Aryani. “The Opacity of Kidney in Nephrogram Phase With Different Urea and Creatinine Levels in Patients Who Undergoing Intravenous Pyelography Examination”. LINK 10, no. 2 (August 24, 2015): 799–804. Accessed October 21, 2026. https://ejournal.poltekkes-smg.ac.id/ojs/index.php/link/article/view/264.