International Journal of Pediatrics, Volume 46, Issue 9,2019, Pages 617-621, doi:10.3760/cma.j.issn.1673-4408.2019.09.001
International Journal of Pediatrics, Volume 46, Issue 9,2019, Pages 627-630, doi:10.3760/cma.j.issn.1673-4408.2019.09.003
International Journal of Pediatrics, Volume 46, Issue 9,2019, Pages 640-643, doi:10.3760/cma.j.issn.1673-4408.2019.09.006
International Journal of Pediatrics, Volume 46, Issue 9,2019, Pages 666-669, doi:10.3760/cma.j.issn.1673-4408.2019.09.012
International Journal of Pediatrics, Volume 46, Issue 9,2019, Pages 674-677, doi:10.3760/cma.j.issn.1673-4408.2019.09.014