World Chinese Journal of Digestology, Volume 29, Issue 20,2021, Pages 1179-1185, doi:10.11569/wcjd.v29.i20.1179
World Chinese Journal of Digestology, Volume 29, Issue 20,2021, Pages 1158-1166, doi:10.11569/wcjd.v29.i20.1158
World Chinese Journal of Digestology, Volume 29, Issue 20,2021, Pages 1201-1206, doi:10.11569/wcjd.v29.i20.1201
World Chinese Journal of Digestology, Volume 29, Issue 20,2021, Pages 1157,1166,1178,1200,1206,后插1-后插5, doi:10.3969/j.issn.1009-3079.2021.20.002
World Chinese Journal of Digestology, Volume 29, Issue 20,2021, Pages 1186-1190, doi:10.11569/wcjd.v29.i20.1186