YustiyoR., SutoroS. G., IrsalM., RizqiM., and ArdoniF. “Analysis of Pixel Values in Lateral Os Sacrum Radiographic Examinations Using Various Virtual Grid Ratios”. JPK : Jurnal Proteksi Kesehatan, Vol. 14, no. 1, July 2025, pp. 41-46, doi:10.36929/jpk.v14i1.1124.