Destylya, D. ., Sinaga, B. Y. ., Siagian, P. . and Eyanoer, P. C. . (2022) “Characteristics of COVID-19 Patients in Haji Adam Malik General Hospital, Medan, North Sumatera”, Respiratory Science, 2(3), pp. 132-142. doi: 10.36497/respirsci.v2i3.53.