Find Duplicates among the PubMed, EMBASE, and Cochrane Library Databases in Systematic Review Qi, Xingshun ; Yang, Man ; Ren, Weirong ; Jia, Jia ; Wang, Juan ; Han, Guohong ; Fan, Daiming Abstract Publication: PLoS ONE Pub Date: August 2013 DOI: 10.1371/journal.pone.0071838 Bibcode: 2013PLoSO...871838Q