Chaudhary, Dr. Reena, Dr.M.M. Haq, and Dr. Prag S. Shah. 2018. “Changes In Heart Rate Variability In Depressed Patient: Changes In Heart Rate Variability In Depressed Patient”. National Journal of Integrated Research in Medicine 6 (2):62-66. https://nicpd.ac.in/ojs-/index.php/njirm/article/view/883.