Manickam, S., Sethuraman, G., & Kuppusamy, J. (2019). A study of the symptoms of gastro oesophageal reflux disease and the associated risk factors in a tertiary care centre. International Journal of Research in Medical Sciences, 7(4), 1009–1015. https://doi.org/10.18203/2320-6012.ijrms20191303