International Journal of Pediatrics, Volume 38, Issue 6,2011, Pages 557-560, doi:10.3760/cma.j.issn.1673-4408.2011.06.010
International Journal of Pediatrics, Volume 38, Issue 6,2011, Pages 565-568, doi:10.3760/cma.j.issn.1673-4408.2011.06.012
International Journal of Pediatrics, Volume 38, Issue 6,2011, Pages 612-616, doi:10.3760/cma.j.issn.1673-4408.2011.06.026
International Journal of Pediatrics, Volume 38, Issue 6,2011, Pages 548-550, doi:10.3760/cma.j.issn.1673-4408.2011.06.007
International Journal of Pediatrics, Volume 38, Issue 6,2011, Pages 551-553, doi:10.3760/cma.j.issn.1673-4408.2011.06.008