CHINESE JOURNAL OF PEDIATRICS, Volume 45, Issue 1,2007, Pages 37-38,
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CHINESE JOURNAL OF PEDIATRICS, Volume 45, Issue 1,2007, Pages 46-50, doi:10.3760/cma.j.issn.0578-1310.2007.01.114
CHINESE JOURNAL OF PEDIATRICS, Volume 45, Issue 1,2007, Pages 2-6, doi:10.3760/cma.j.issn.0578-1310.2007.01.102