Endian Zheng, et al. “Impact of Gender and Age on the Occurrence of Gastric Polyps: Data Analysis of 69575 Southeastern Chinese Patients”. Turkish Journal of Gastroenterology, vol. 26, no. 6, July 2019, pp. 474-9, https://tjg.avesjournals.com/index.php/tjg/article/view/3197.