World Chinese Journal of Digestology, Volume 26, Issue 23,2018, Pages 1415-1422, doi:10.11569/wcjd.v26.i23.1415
World Chinese Journal of Digestology, Volume 26, Issue 23,2018, Pages 1385-1389, doi:10.11569/wcjd.v26.i23.1385
World Chinese Journal of Digestology, Volume 26, Issue 23,2018, Pages 1390-1395, doi:10.11569/wcjd.v26.i23.1390
World Chinese Journal of Digestology, Volume 26, Issue 23,2018, Pages 1423-1428, doi:10.11569/wcjd.v26.i23.1423