Panwong, Watjanarat, Chulee Ubolsakka-Jones, Chattarin Wongsawat, Chatchai Phimphasak, and Pornanan Domthong. “Effect of slow loaded inspiratory breathing training in blood pressure and heart rate in elderly chronic obstructive pulmonary disease patients with co-existing hypertension: a pilot study”. Archives of Allied Health Sciences 31, no. 3 (December 30, 2019): 427–438. accessed September 28, 2026. https://he01.tci-thaijo.org/index.php/ams/article/view/233178.