Chinese Journal of Ultrasonography, Volume 28, Issue 7,2019, Pages 637-638, doi:10.3760/cma.j.issn.1004-4477.2019.07.012
Chinese Journal of Ultrasonography, Volume 28, Issue 7,2019, Pages 624, doi:10.3760/cma.j.issn.1004-4477.2019.07.012
Chinese Journal of Ultrasonography, Volume 28, Issue 7,2019, Pages 581-587, doi:10.3760/cma.j.issn.1004-4477.2019.07.002
Chinese Journal of Ultrasonography, Volume 28, Issue 7,2019, Pages 606-610, doi:10.3760/cma.j.issn.1004-4477.2019.07.006