Firdha Adlia Syuhada, et al. “Correlation Cycle Threshold Value in RT-PCR on the Results of Chest X-Rays of COVID-19 Patients”. International Journal of Allied Medical Sciences and Clinical Research, vol. 10, no. 3, Sept. 2022, pp. 360-3, doi:10.61096/ijamscr.v10.iss3.2022.360-363.