Chinese Journal of Ultrasonography, Volume 21, Issue 11,2012, Pages 937-940, doi:10.3760/cma.j.issn.1004-4477.2012.11.005
Chinese Journal of Ultrasonography, Volume 21, Issue 11,2012, Pages 1011, doi:10.3760/cma.j.issn.1004-4477.2012.11.030
Chinese Journal of Ultrasonography, Volume 21, Issue 11,2012, Pages 1012, doi:10.3760/cma.j.issn.1004-4477.2012.11.031
Chinese Journal of Ultrasonography, Volume 21, Issue 11,2012, Pages 941-945, doi:10.3760/cma.j.issn.1004-4477.2012.11.007
Chinese Journal of Ultrasonography, Volume 21, Issue 11,2012, Pages 1000-1003, doi:10.3760/cma.j.issn.1004-4477.2012.11.025