CHINESE JOURNAL OF PEDIATRIC SURGERY, Volume 27, Issue 9,2006, Pages 475-478, doi:10.3760/cma.j.issn.0253-3006.2006.09.008
CHINESE JOURNAL OF PEDIATRIC SURGERY, Volume 27, Issue 9,2006, Pages 449-452, doi:10.3760/cma.j.issn.0253-3006.2006.09.001
CHINESE JOURNAL OF PEDIATRIC SURGERY, Volume 27, Issue 9,2006, Pages 464-467, doi:10.3760/cma.j.issn.0253-3006.2006.09.005