Chinese Journal of Ultrasonography, Volume 27, Issue 7,2018, Pages 618-622, doi:10.3760/cma.j.issn.1004-4477.2018.07.015
Chinese Journal of Ultrasonography, Volume 27, Issue 7,2018, Pages 569-573, doi:10.3760/cma.j.issn.1004-4477.2018.07.005
Chinese Journal of Ultrasonography, Volume 27, Issue 7,2018, Pages 636-637, doi:10.3760/cma.j.issn.1004-4477.2018.07.019
Chinese Journal of Ultrasonography, Volume 27, Issue 7,2018, Pages 579-583, doi:10.3760/cma.j.issn.1004-4477.2018.07.007
Chinese Journal of Ultrasonography, Volume 27, Issue 7,2018, Pages 558, doi:10.3760/cma.j.issn.1004-4477.2018.07.002