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CHINESE JOURNAL OF PEDIATRIC SURGERY, Volume 19, Issue 3,1998, Pages 147-149, doi:10.3760/cma.j.issn.0253-3006.1998.03.113
CHINESE JOURNAL OF PEDIATRIC SURGERY, Volume 19, Issue 3,1998, Pages 187-188, doi:10.3760/cma.j.issn.0253-3006.1998.03.144