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INTERNATIONAL JOURNAL OF PEDIATRICS, Volume 36, Issue 5,2009, Pages 507-510, doi:10.3760/cma.j.issn.1673-4408.2009.05.022
INTERNATIONAL JOURNAL OF PEDIATRICS, Volume 36, Issue 5,2009, Pages 498-500, doi:10.3760/cma.j.issn.1673-4408.2009.05.019
INTERNATIONAL JOURNAL OF PEDIATRICS, Volume 36, Issue 5,2009, Pages 448-451, doi:10.3760/cma.j.issn.1673-4408.2009.05.003