Journal of Capital Medical University ›› 2018, Vol. 39 ›› Issue (3): 341-343.doi: 10.3969/j.issn.1006-7795.2018.03.006

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  • Received:2018-04-19 Online:2018-05-21 Published:2018-06-11
  • Supported by:
    This study was supported by High Level Health Technical Personnel Training Plan Task Document of Beijing Health System(2013-3-097)