Tjuanda Y. Quality Analysis Of Thorax Radiography Images In Postero Anterior Projection (PA) With Focus Film Distance (FFD) Variations In The Radiology Installation Of Sundari General Hospital. Injects [Internet]. 2021 Oct. 30 [cited 2025 Jul. 8];2(2):653-60. Available from: https://jurnal.ceredindonesia.or.id/index.php/injects/article/view/1072