Afiifah, E. N. ., S. . Gunawati, G. Winarno, M. Irsal, Fahrizal, and R. Akbar. “Quality of Thorax CT Scan Images Among Covid-19 Cases Using Variations of Filter”. JURNAL INFO KESEHATAN, vol. 20, no. 2, Dec. 2022, pp. 251-9, doi:10.31965/infokes.Vol20.Iss2.821.