Chinese Journal of Ultrasonography, Volume 27, Issue 1,2018, Pages 64-68, doi:10.3760/cma.j.issn.1004-4477.2018.01.015
Chinese Journal of Ultrasonography, Volume 27, Issue 1,2018, Pages 31-35, doi:10.3760/cma.j.issn.1004-4477.2018.01.008
Chinese Journal of Ultrasonography, Volume 27, Issue 1,2018, Pages 68,76, doi:10.3760/cma.j.issn.1004-4477.2018.01.016
Chinese Journal of Ultrasonography, Volume 27, Issue 1,2018, Pages 73-76, doi:10.3760/cma.j.issn.1004-4477.2018.01.018
Chinese Journal of Ultrasonography, Volume 27, Issue 1,2018, Pages 16,22, doi:10.3760/cma.j.issn.1004-4477.2018.01.004