Phạm, Văn Huy, and Thị Phương Lan Đoàn. “EVALUATION OF FRACTION OF EXHALED NITRIC OXIDE IN PATIENTS WITH STABLE ASTHMA - CHRONIC OBSTRUCTIVE PULMONARY DISEASE OVERLAP”. Vietnam Medical Journal, vol. 543, no. 3, Oct. 2024, doi:10.51298/vmj.v543i3.11544.