Bayaraa, O.; Myeryemkhaan, A.; Jamsran, G.; Boldbaatar, N.; Jav , S.; Sonomjamts, M.; Dashtseren, I. Identifying Risk Factors for Impaired Pulmonary Function in COVID-19 Patients: Cross-Sectional Study. Cent. Asian j. Med. Sci. 2025, 11, 20-26.