Chinese Journal of Ultrasonography, Volume 30, Issue 8,2021, Pages 709-714, doi:10.3760/cma.j.cn131148-20210226-00131
Chinese Journal of Ultrasonography, Volume 30, Issue 8,2021, Pages 674-679, doi:10.3760/cma.j.cn131148-20210227-00134
Chinese Journal of Ultrasonography, Volume 30, Issue 8,2021, Pages 645-654, doi:10.3760/cma.j.cn131148-20210625-00438
Chinese Journal of Ultrasonography, Volume 30, Issue 8,2021, Pages 721-723, doi:10.3760/cma.j.cn131148-20210130-00079
Chinese Journal of Ultrasonography, Volume 30, Issue 8,2021, Pages 724-725, doi:10.3760/cma.j.cn131148-20210204-00089