Chinese Journal of Ultrasonography, Volume 29, Issue 9,2020, Pages 767-770, doi:10.3760/cma.j.cn131148-20200416-00303
Chinese Journal of Ultrasonography, Volume 29, Issue 9,2020, Pages 777-780, doi:10.3760/cma.j.cn131148-20200417-00310
Chinese Journal of Ultrasonography, Volume 29, Issue 9,2020, Pages 743-748, doi:10.3760/cma.j.cn131148-20200411-00288
Chinese Journal of Ultrasonography, Volume 29, Issue 9,2020, Pages 794-798, doi:10.3760/cma.j.cn131148-20200426-00343
Chinese Journal of Ultrasonography, Volume 29, Issue 9,2020, Pages 807-811, doi:10.3760/cma.j.cn131148-20200306-00150