International Journal of Pediatrics, Volume 39, Issue 2,2012, Pages 177-179, doi:10.3760/cma.j.issn.1673-4408.2012.02.021
International Journal of Pediatrics, Volume 39, Issue 2,2012, Pages 196-198,202, doi:10.3760/cma.j.issn.1673-4408.2012.02.026
International Journal of Pediatrics, Volume 39, Issue 2,2012, Pages 173-176, doi:10.3760/cma.j.issn.1673-4408.2012.02.020
International Journal of Pediatrics, Volume 39, Issue 2,2012, Pages 138-141, doi:10.3760/cma.j.issn.1673-4408.2012.02.010
International Journal of Pediatrics, Volume 39, Issue 2,2012, Pages 142-144, doi:10.3760/cma.j.issn.1673-4408.2012.02.011