INTERNATIONAL JOURNAL OF PEDIATRICS, Volume 33, Issue 3,2006, Pages 147-149, doi:10.3760/cma.j.issn.1673-4408.2006.03.002
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INTERNATIONAL JOURNAL OF PEDIATRICS, Volume 33, Issue 3,2006, Pages 181-183, doi:10.3760/cma.j.issn.1673-4408.2006.03.014
INTERNATIONAL JOURNAL OF PEDIATRICS, Volume 33, Issue 3,2006, Pages 156-158, doi:10.3760/cma.j.issn.1673-4408.2006.03.005