Chinese Journal of Ultrasonography, Volume 21, Issue 9,2012, Pages 814, doi:10.3760/cma.j.issn.1004-4477.2012.09.024
Chinese Journal of Ultrasonography, Volume 21, Issue 9,2012, Pages 794-798, doi:10.3760/cma.j.issn.1004-4477.2012.09.019
Chinese Journal of Ultrasonography, Volume 21, Issue 9,2012, Pages 784-786, doi:10.3760/cma.j.issn.1004-4477.2012.09.016
Chinese Journal of Ultrasonography, Volume 21, Issue 9,2012, Pages 742-746, doi:10.3760/cma.j.issn.1004-4477.2012.09.002
Chinese Journal of Ultrasonography, Volume 21, Issue 9,2012, Pages 803-806, doi:10.3760/cma.j.issn.1004-4477.2012.09.021