Lam , V.P. et al. 2023. RESEARCH ON CHARACTERISTICS AND RISK FACTORS OBSTRUCTIVE SLEEP APNEA IN CHRONIC OBSTRUCTIVE PULMONARY DISEASE PATIENTS AT CAN THO UNIVERSITY OF MEDICINE AND PHARMACY HOSPITAL IN 2022-2023. Cantho Journal of Medicine and Pharmacy. 66 (Nov. 2023), 171–176. DOI:https://doi.org/10.58490/ctump.2023i66.1793.