Chinese Journal of Ultrasonography, Volume 22, Issue 2,2013, Pages 119-122, doi:10.3760/cma.j.issn.1004-4477.2013.02.008
Chinese Journal of Ultrasonography, Volume 22, Issue 2,2013, Pages 183-184, doi:10.3760/cma.j.issn.1004-4477.2013.02.031
Chinese Journal of Ultrasonography, Volume 22, Issue 2,2013, Pages 149-153, doi:10.3760/cma.j.issn.1004-4477.2013.02.019
Chinese Journal of Ultrasonography, Volume 22, Issue 2,2013, Pages 144, doi:10.3760/cma.j.issn.1004-4477.2013.02.017
Chinese Journal of Ultrasonography, Volume 22, Issue 2,2013, Pages 127-129, doi:10.3760/cma.j.issn.1004-4477.2013.02.011