SHANKARAPPA.V and PRABHA. V (2013) “STUDY ON EFFECT OF STRECHING EXERCISES AND PRANAYAMA ON HEART RATE VARIABILITY (HRV) IN HEALTHY VOLUNTEERS”, International Journal of Pharma and Bio Sciences, 4(4), pp. 120–126. Available at: https://ijpbs.net/index.php/journal/article/view/2843 (Accessed: 23 July 2026).