Karaaslan, T., E. Karaaslan, O. Uysal, and M. Gunduz. “Evaluation of Respiratory Functions With Spirometry in Patients With SARS-CoV-2 Pneumonia: Pulmonary Function Tests in SARS-CoV-2 Pneumonia”. Medical Science and Discovery, vol. 8, no. 9, Sept. 2021, pp. 538-45, doi:10.36472/msd.v8i9.597.