World Chinese Journal of Digestology, Volume 29, Issue 9,2021, Pages 479-487, doi:10.11569/wcjd.v29.i9.479
World Chinese Journal of Digestology, Volume 29, Issue 9,2021, Pages 449-454, doi:10.11569/wcjd.v29.i9.449
World Chinese Journal of Digestology, Volume 29, Issue 9,2021, Pages 461-466, doi:10.11569/wcjd.v29.i9.461
World Chinese Journal of Digestology, Volume 29, Issue 9,2021, Pages 460,495,500,后插1-后插5, doi:10.3969/j.issn.1009-3079.2021.09.003
World Chinese Journal of Digestology, Volume 29, Issue 9,2021, Pages 488-495, doi:10.11569/wcjd.v29.i9.488