Sihombing, I., Manullang, D. and Barus, S. (2022) “Radiografi Sinus Paranasal (SPN) dengan Sangkaan Sinusitis di Rumah Sakit Royal Prima Medan”, Jurnal Medika Radiologi, 4(1), pp. 17-21. Available at: https://www.jmr.jurnalsenior.com/index.php/jmr/article/view/31 (Accessed: 13June2026).