Chinese Journal of Ultrasonography, Volume 29, Issue 4,2020, Pages 314-320, doi:10.3760/cma.j.cn131148-20190731-00446
Chinese Journal of Ultrasonography, Volume 29, Issue 4,2020, Pages 359-363, doi:10.3760/cma.j.cn131148-20191017-00627
Chinese Journal of Ultrasonography, Volume 29, Issue 4,2020, Pages 330-336, doi:10.3760/cma.j.cn131148-20190926-00591
Chinese Journal of Ultrasonography, Volume 29, Issue 4,2020, Pages 308-313, doi:10.3760/cma.j.cn131148-20190913-00563
Chinese Journal of Ultrasonography, Volume 29, Issue 4,2020, Pages 367, doi:10.3760/cma.j.cn131148-20190922-00584