Chinese Journal of Pediatrics, Volume 50, Issue 2,2012, Pages 136-140, doi:10.3760/cma.j.issn.0578-1310.2012.02.012
Chinese Journal of Pediatrics, Volume 50, Issue 2,2012, Pages 126-130, doi:10.3760/cma.j.issn.0578-1310.2012.02.010
Chinese Journal of Pediatrics, Volume 50, Issue 2,2012, Pages 117-120, doi:10.3760/cma.j.issn.0578-1310.2012.02.008
Chinese Journal of Pediatrics, Volume 50, Issue 2,2012, Pages 155-158, doi:10.3760/cma.j.issn.0578-1310.2012.02.016