Zhang X, Liang Y, Li X, Wang J, Li J
Department of Gastroenterology, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, Heilongjiang, China.
Tech Coloproctol. 2020 Aug;24(8):893. doi: 10.1007/s10151-020-02222-9. Epub 2020 Apr 18.