Journal of Capital Medical University ›› 2013, Vol. 34 ›› Issue (6): 900-903.doi: 10.3969/j.issn.1006-7795.2013.06.024

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  • Received:2013-07-08 Online:2013-12-21 Published:2013-12-13
  • Supported by:

    This study was supported by the National Natural Science Foundation of China(30800377,311711057).