KARTHIKEYAN T. “Quantify Therapeutic Efficacy of Buteyko Breathing Technique on Pulmonary Functions in Chronic Obstructive Pulmonary Disease Athletes”. International Journal of Pharma and Bio Sciences 8, no. 4 (December 31, 2017): 103–108. Accessed July 23, 2026. https://ijpbs.net/index.php/journal/article/view/6199.