Chinese Journal of Ultrasonography, Volume 21, Issue 3,2012, Pages 274, doi:10.3760/cma.j.issn.1004-4477.2012.03.034
Chinese Journal of Ultrasonography, Volume 21, Issue 3,2012, Pages 244-248, doi:10.3760/cma.j.issn.1004-4477.2012.03.021
Chinese Journal of Ultrasonography, Volume 21, Issue 3,2012, Pages 197-200, doi:10.3760/cma.j.issn.1004-4477.2012.03.006
Chinese Journal of Ultrasonography, Volume 21, Issue 3,2012, Pages 253-256, doi:10.3760/cma.j.issn.1004-4477.2012.03.024
Chinese Journal of Ultrasonography, Volume 21, Issue 3,2012, Pages 249-252, doi:10.3760/cma.j.issn.1004-4477.2012.03.023