“20. CHANGES IN PLASMA MATRIX METALLOPROTEINASE-9 CONCENTRATIONS IN PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE IN AND OUT OF EXACERBATION AT MILITARY HOSPITAL 103 IN 2023”. 2024. Vietnam Journal of Community Medicine 65 (CĐ 3 - Bệnh viện Phổi Trung ương). https://doi.org/10.52163/yhc.v65iCD3.1116.