INTERNATIONAL JOURNAL OF PEDIATRICS, Volume 37, Issue 6,2010, Pages 645-647, doi:10.3760/cma.j.issn.1673-4408.2010.06.032
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INTERNATIONAL JOURNAL OF PEDIATRICS, Volume 37, Issue 6,2010, Pages 585-587, doi:10.3760/cma.j.issn.1673-4408.2010.06.012
INTERNATIONAL JOURNAL OF PEDIATRICS, Volume 37, Issue 6,2010, Pages 582-584, doi:10.3760/cma.j.issn.1673-4408.2010.06.011