Br. Purba, N., and M. Sihombing. “Analisis Tegangan Tabung Tinggi Terhadap Kualitas Citra Pada Pemeriksaan Thorax”. Jurnal Medika Radiologi, Vol. 1, no. 1, Sept. 2020, pp. 30-39, https://jmr.jurnalsenior.com/index.php/jmr/article/view/36.