Chinese Journal of Ultrasonography, Volume 20, Issue 11,2011, Pages 921-924, doi:10.3760/cma.j.issn.1004-4477.2011.11.001
Chinese Journal of Ultrasonography, Volume 20, Issue 11,2011, Pages 961, doi:10.3760/cma.j.issn.1004-4477.2011.11.012
Chinese Journal of Ultrasonography, Volume 20, Issue 11,2011, Pages 968-971, doi:10.3760/cma.j.issn.1004-4477.2011.11.015
Chinese Journal of Ultrasonography, Volume 20, Issue 11,2011, Pages 996-999, doi:10.3760/cma.j.issn.1004-4477.2011.11.026
Chinese Journal of Ultrasonography, Volume 20, Issue 11,2011, Pages 965-967, doi:10.3760/cma.j.issn.1004-4477.2011.11.014