Chinese Journal of Ultrasonography, Volume 21, Issue 6,2012, Pages 550-551, doi:10.3760/cma.j.issn.1004-4477.2012.06.033
Chinese Journal of Ultrasonography, Volume 21, Issue 6,2012, Pages 548-549, doi:10.3760/cma.j.issn.1004-4477.2012.06.031
Chinese Journal of Ultrasonography, Volume 21, Issue 6,2012, Pages 487, doi:10.3760/cma.j.issn.1004-4477.2012.06.010
Chinese Journal of Ultrasonography, Volume 21, Issue 6,2012, Pages 500-503, doi:10.3760/cma.j.issn.1004-4477.2012.06.015
Chinese Journal of Ultrasonography, Volume 21, Issue 6,2012, Pages 533-536, doi:10.3760/cma.j.issn.1004-4477.2012.06.024