Sung Jun Ko, et al. “Predictive Factors Suggesting an Underestimation of Gastric Lesions Initially Diagnosed As Adenomas by Forceps Biopsy”. Turkish Journal of Gastroenterology, vol. 27, no. 2, July 2019, pp. 115-21, https://tjg.avesjournals.com/index.php/tjg/article/view/3233.