Increasing number of databases searched in systematic reviews and meta-analyses between 1994 and 2014.

CONCLUSIONS: The number of bibliographic databases searched in individual SRs and MAs increased from 1994 to 2014. PMID: 27822149 [PubMed - in process]
Source: Journal of the Medical Library Association : JMLA - Category: Databases & Libraries Tags: J Med Libr Assoc Source Type: research