多频振动排痰机排痰在重症肺炎患儿中的应用效果
高香花, 董百灵, 周喜华
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国际医药卫生导报 . 2022, (12): 1706 -1710 .  DOI: 10.3760/cma.j.issn.1007-1245.2022.12.018