World Chinese Journal of Digestology, Volume 28, Issue 15,2020, Pages 660-668, doi:10.11569/wcjd.v28.i15.660
World Chinese Journal of Digestology, Volume 28, Issue 15,2020, Pages 735-739, doi:10.11569/wcjd.v28.i15.735
World Chinese Journal of Digestology, Volume 28, Issue 15,2020, Pages 673-682, doi:10.11569/wcjd.v28.i15.673
World Chinese Journal of Digestology, Volume 28, Issue 15,2020, Pages 710-718, doi:10.11569/wcjd.v28.i15.710
World Chinese Journal of Digestology, Volume 28, Issue 15,2020, Pages 683-690, doi:10.11569/wcjd.v28.i15.683