Phạm , Ngọc Thảo, and Đức Thuần Đỗ. “RESEARCH ON SOME FACTORS AFFECTING PULMONARY FUNCTION IN PATIENTS AFTER COVID-19 EXAMINATION AT 103 MILITARY HOSPITAL”. Vietnam Medical Journal, vol. 524, no. 2, Mar. 2023, doi:10.51298/vmj.v524i2.4845.