5Witt CM ,Reinhold T ,Brinkhaus B ,et al . Acupuncture in patients wit h dysmenorrhea : A randomized study on clinical effectivenessand cost-effectiveness in usual care [J].Am J Obstet Gynecol ,2008,198 (2) :166.
9Higgins J, Green S, Cochrane Collaboration: Cochrane Handbook for Systematic Reviews of Interventions Version 5.1.0 [M]. Chichester: John Wiley& Sons Ltd and The Cochrane Collaboration, 2011.
10Higgim J P, Airman D G, Gotzsche P C, et al. The Cochrane CoUabomtion'Stool for assessing risk of bias in randomised trials [J]. BMJ, 2011, 343: d5928.
