Sogan, T., K. Mathur, and M. Sankhla. “Cardiovascular Response to Sustained Handgrip Test in Gastroesophageal Reflux Disease Patients”. International Journal Of Community Medicine And Public Health, vol. 4, no. 1, Dec. 2016, pp. 224-8, doi:10.18203/2394-6040.ijcmph20164743.