International Journal of Pediatrics, Volume 39, Issue 4,2012, Pages 414-418, doi:10.3760/cma.j.issn.1673-4408.2012.04.027
International Journal of Pediatrics, Volume 39, Issue 4,2012, Pages 352-355, doi:10.3760/cma.j.issn.1673-4408.2012.04.008
International Journal of Pediatrics, Volume 39, Issue 4,2012, Pages 325-328, doi:10.3760/cma.j.issn.1673-4408.2012.04.001
International Journal of Pediatrics, Volume 39, Issue 4,2012, Pages 337-341, doi:10.3760/cma.j.issn.1673-4408.2012.04.004
International Journal of Pediatrics, Volume 39, Issue 4,2012, Pages 377-379, doi:10.3760/cma.j.issn.1673-4408.2012.04.016