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year = {2013},  publisher = {Springer},  }  @article{23714302,  title = {{Are systematic reviews up-to-date at the time of publication?}},  date = {2013 May 28},  source = {Syst Rev},  authors = {Beller, EM and Chen, JK and Wang, UL and Glasziou, PP},  author = {Beller, EM and Chen, JK and Wang, UL and Glasziou, PP},  year = {2013},  month = {May},  journal = {Syst Rev},  volume = {2},  number = {},  pages = {36},  pubmed_id = {23714302},  }