Chinese Journal of Ultrasonography, Volume 27, Issue 4,2018, Pages 342-347, doi:10.3760/cma.j.issn.1004-4477.2018.04.018
Chinese Journal of Ultrasonography, Volume 27, Issue 4,2018, Pages 296,301, doi:10.3760/cma.j.issn.1004-4477.2018.04.006
Chinese Journal of Ultrasonography, Volume 27, Issue 4,2018, Pages 282-287, doi:10.3760/cma.j.issn.1004-4477.2018.04.002
Chinese Journal of Ultrasonography, Volume 27, Issue 4,2018, Pages 308-313, doi:10.3760/cma.j.issn.1004-4477.2018.04.009
Chinese Journal of Ultrasonography, Volume 27, Issue 4,2018, Pages 302-307, doi:10.3760/cma.j.issn.1004-4477.2018.04.008