Herikurniawan, Herikurniawan, Cleopas Martin Rumende, Siti Setiati, July Kumalawati, and Belinda Thania Deslanthy. 2022. “Diagnostic Model of COVID-19 Infection Based on the Combination of Clinical Symptoms, Chest Radiography and Laboratory Test”. Acta Medica Indonesiana 54 (3):419. http://actamedindones.org/index.php/ijim/article/view/2094.