中国当代医药
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中国当代医药  2017, Vol. 24 Issue (23): 4-7    DOI:
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Efficacy of normal saline and heparin sodium on central venous indwelling catheter tube-sealing:a Meta-analysis
LIU Yuan-yuan  ZHANG Feng-jiao  YIN Chong-gao▲
School of Nursing,Weifang Medical university in Shandong Province,Weifang 261053,China
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