SHANKARAPPA.V, and PRABHA. V. “STUDY ON EFFECT OF STRECHING EXERCISES AND PRANAYAMA ON HEART RATE VARIABILITY (HRV) IN HEALTHY VOLUNTEERS”. International Journal of Pharma and Bio Sciences 4, no. 4 (December 31, 2013): 120–126. Accessed July 23, 2026. https://ijpbs.net/index.php/journal/article/view/2843.