Journal of Capital Medical University ›› 2017, Vol. 38 ›› Issue (3): 478-480.doi: 10.3969/j.issn.1006-7795.2017.03.029

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  • Received:2017-01-17 Online:2017-05-21 Published:2017-06-14
  • Supported by:
    This study was funded by Health Industry Scientific Research Projects of the National Health and Family Planning Commission (201302007).