DIGESTIVE SURGERY, Volume 2, Issue 6,2003, Pages 426-427, doi:10.3760/cma.j.issn.1673-9752.2003.06.015
DIGESTIVE SURGERY, Volume 2, Issue 6,2003, Pages 439-441, doi:10.3760/cma.j.issn.1673-9752.2003.06.019
DIGESTIVE SURGERY, Volume 2, Issue 6,2003, Pages 428-429, doi:10.3760/cma.j.issn.1673-9752.2003.06.016
DIGESTIVE SURGERY, Volume 2, Issue 6,2003, Pages 449-452, doi:10.3760/cma.j.issn.1673-9752.2003.06.023