Chinese Journal of Ultrasonography, Volume 30, Issue 6,2021, Pages 548-552, doi:10.3760/cma.j.cn131148-20201216-00939
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Chinese Journal of Ultrasonography, Volume 30, Issue 6,2021, Pages 500-505, doi:10.3760/cma.j.cn131148-20210118-00039
Chinese Journal of Ultrasonography, Volume 30, Issue 6,2021, Pages 506-512, doi:10.3760/cma.j.cn131148-20201222-00960
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