Ahmed, S., S. Jamil, H. Shaikh, and M. Abbasi. “Effects of Life Style Factors on the Symptoms of gastro Esophageal Reflux Disease: A Cross Sectional Study in a Pakistani Population: Gastro Esophageal Reflux Disease”. Pakistan Journal of Medical Sciences, Vol. 36, no. 2, Dec. 2019, doi:10.12669/pjms.36.2.1371.