Chinese Journal of Ultrasonography, Volume 30, Issue 9,2021, Pages 758-763, doi:10.3760/cma.j.cn131148-20210316-00169
Chinese Journal of Ultrasonography, Volume 30, Issue 9,2021, Pages 785-791, doi:10.3760/cma.j.cn131148-20210219-00113
Chinese Journal of Ultrasonography, Volume 30, Issue 9,2021, Pages 772-777, doi:10.3760/cma.j.cn131148-20210325-00196
Chinese Journal of Ultrasonography, Volume 30, Issue 9,2021, Pages 764-771, doi:10.3760/cma.j.cn131148-20210305-00146
Chinese Journal of Ultrasonography, Volume 30, Issue 9,2021, Pages 752-757, doi:10.3760/cma.j.cn131148-20210331-00222