Chinese Journal of Ultrasonography, Volume 28, Issue 8,2019, Pages 663-670, doi:10.3760/cma.j.issn.1004-4477.2019.08.004
Chinese Journal of Ultrasonography, Volume 28, Issue 8,2019, Pages 685-690, doi:10.3760/cma.j.issn.1004-4477.2019.08.008
Chinese Journal of Ultrasonography, Volume 28, Issue 8,2019, Pages 675-679, doi:10.3760/cma.j.issn.1004-4477.2019.08.006
Chinese Journal of Ultrasonography, Volume 28, Issue 8,2019, Pages 725-726, doi:10.3760/cma.j.issn.1004-4477.2019.08.018