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. 2014 Jun 3;14:73. doi: 10.1186/1471-2288-14-73

Table 3.

Best retrieval rate using 3 of the 4 citation resources

Google scholar, Scopus & WoS Google scholar, Scopus & OVIDSP Google scholar, WoS & OVIDSP Scopus, WoS & OVIDSP
1784 1721 1718 1231