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. 2014 Dec 17;14:138. doi: 10.1186/1471-2318-14-138

Table 2.

Literature search: databases and details of numbers of records retrieved

Date/time Database # records retrieved (including duplicates) # records retrieved (excluding duplicates)
12 March 2013 11:12 MEDLINE (specifically: Ovid MEDLINE 1946 to February Week 4 2013) 209 208
12 March 2013 11:22 Ovid MEDLINE In-Process & Other Non-Indexed Citations March 11, 2013 0 0
12 March 2013 11:14 All EBM Reviews - Cochrane DSR, ACP Journal Club, DARE, CCTR, CMR, HTA, and NHSEED 68 67
12 March 2013 12:05 Embase (1996 to 2013 Week 10) 74 73
12 March 2013 12:22 PsycINFO (1806 to March Week 1 2013) 68 0
12 March 2013 13:40 CINHAL 78 0
12 March 2013 14:15 The Joanna Briggs Institute (JBI) Library - The JBI Database of Systematic Reviews and Implementation Reports 6 0
12 March 2013 14:49 Centre for Reviews and Dissemination database 5 0
Total: 508 441 (67 duplicates – i.e. 11 records retrieved in 2 or more databases)

A summary of the databases searched, the number of bibliographic records retrieved for each database, including and excluding duplicates. Duplicates consists of records retrieved in two or more databases.