Chinese Journal of Ultrasonography, Volume 25, Issue 7,2016, Pages 579-583, doi:10.3760/cma.j.issn.1004-4477.2016.07.008
Chinese Journal of Ultrasonography, Volume 25, Issue 7,2016, Pages 619, doi:10.3760/cma.j.issn.1004-4477.2016.07.018
Chinese Journal of Ultrasonography, Volume 25, Issue 7,2016, Pages 569-572, doi:10.3760/cma.j.issn.1004-4477.2016.07.005
Chinese Journal of Ultrasonography, Volume 25, Issue 7,2016, Pages 612-615, doi:10.3760/cma.j.issn.1004-4477.2016.07.016