World Chinese Journal of Digestology, Volume 26, Issue 36,2018, Pages 2096-2101, doi:10.11569/wcjd.v26.i36.2096
World Chinese Journal of Digestology, Volume 26, Issue 36,2018, Pages 2083-2087, doi:10.11569/wcjd.v26.i36.2083
World Chinese Journal of Digestology, Volume 26, Issue 36,2018, Pages 2088-2095, doi:10.11569/wcjd.v26.i36.2088
World Chinese Journal of Digestology, Volume 26, Issue 36,2018, Pages 2109-2114, doi:10.11569/wcjd.v26.i36.2109