T. T. B. . Hồi, P. T. Kiên, V. T. . Hoa, N. T. T. . Trang, and N. T. . Anh, “Some epidemiological, clinical and subclinical characteristics with chronic obstructive pulmonary disease (COPD) at Hai Phong Lung Hospital in 2021”, TC YHDP, vol. 33, no. 1 Phụ bản, p. 14, Jun. 2023.