Sinaga, Bintang Yinke Magdalena, and Agi Hidjri Tarigan. 2022. “Lung Fibrosis Due to Coronavirus Disease 2019 Pneumonia With Critical Symptoms: A Case Report”. Open Access Macedonian Journal of Medical Sciences 10 (C):1-5. https://doi.org/10.3889/oamjms.2022.7830.