Zhao, Xing, Rajina Sahi, Yu-Yang Zhao, Jun Wang, and Chun-Hui Li. “Expressions of HPV 16-E6 in Esophageal Carcinoma and Its Clinical Significance”. Journal of Advances in Internal Medicine 4, no. 2 (March 5, 2017): 57–60. Accessed April 27, 2024. https://www.nepjol.info/index.php/JAIM/article/view/16897.