Chinese Journal of Ultrasonography, Volume 28, Issue 4,2019, Pages 307-312, doi:10.3760/cma.j.issn.1004-4477.2019.04.006
Chinese Journal of Ultrasonography, Volume 28, Issue 4,2019, Pages 318-322, doi:10.3760/cma.j.issn.1004-4477.2019.04.008
Chinese Journal of Ultrasonography, Volume 28, Issue 4,2019, Pages 283-288, doi:10.3760/cma.j.issn.1004-4477.2019.04.002
Chinese Journal of Ultrasonography, Volume 28, Issue 4,2019, Pages 341-346, doi:10.3760/cma.j.issn.1004-4477.2019.04.012
Chinese Journal of Ultrasonography, Volume 28, Issue 4,2019, Pages 313-317, doi:10.3760/cma.j.issn.1004-4477.2019.04.007