Jansang S, Tungsukruthai P, Srisuma S, Sriyakul K, Krajarng A, Kietinun S. Effect of Pursed-Lip Breathing using a Windmill Toy Model on Breathing Efficiency in Chronic Obstructive Pulmonary Disease Patients. Trends Sci [Internet]. 2021Nov.15 [cited 2024May12];18(23):714. Available from: https://tis.wu.ac.th/index.php/tis/article/view/714