“21. CHARACTERISTICS AND TREATMENT RESPONSE OF OUTPATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE MANAGED AT NATIONAL LUNG HOSPITAL FROM 2021 TO 2022”. Vietnam Journal of Community Medicine, vol. 65, no. CĐ 3 - Bệnh viện Phổi Trung ương, May 2024, https://doi.org/10.52163/yhc.v65iCD3.1117.