Chinese Journal of Ultrasonography, Volume 21, Issue 5,2012, Pages 378-382, doi:10.3760/cma.j.issn.1004-4477.2012.05.004
Chinese Journal of Ultrasonography, Volume 21, Issue 5,2012, Pages 432-434, doi:10.3760/cma.j.issn.1004-4477.2012.05.022
Chinese Journal of Ultrasonography, Volume 21, Issue 5,2012, Pages 390-393, doi:10.3760/cma.j.issn.1004-4477.2012.05.009
Chinese Journal of Ultrasonography, Volume 21, Issue 5,2012, Pages 455-456, doi:10.3760/cma.j.issn.1004-4477.2012.05.030
Chinese Journal of Ultrasonography, Volume 21, Issue 5,2012, Pages 382, doi:10.3760/cma.j.issn.1004-4477.2012.05.005