CHINESE JOURNAL OF PEDIATRICS, Volume 46, Issue 9,2008, Pages 671-674, doi:10.3760/cma.j.issn.0578-1310.2008.09.109
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CHINESE JOURNAL OF PEDIATRICS, Volume 46, Issue 9,2008, Pages 666-667, doi:10.3321/j.issn:0578-1310.2008.09.007
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