Toppo, A. K., D. Toppo, D. R. Minj, and A. S. Chouhan. “Clinical, Endoscopic and Histopathological Correlation in Gastro Oesophageal Reflux Disease”. International Journal of Advances in Medicine, vol. 8, no. 9, Aug. 2021, pp. 1290-3, doi:10.18203/2349-3933.ijam20213170.