Bansal, D. “CORRELATION BETWEEN P53 GENE POLYMORPHISM AND H PYLORI INFECTION IN ENDOSCOPIC BIOPSIES OF SUSPECTED CASES OF ESOPHAGEAL CANCER”. International Journal of Pharmaceutical and Biological Science Archive, Vol. 7, no. 5, Oct. 2019, https://ijpba.in/index.php/ijpba/article/view/338.