|
PubMed records
|
19,569,568
|
6,628,156
|
(1)
|
|
Identified clinical trial
|
457,378
|
171,025
|
(1)
|
|
Identified randomized controlled trial
|
293,963
|
156,496
|
(1)
|
|
Identified meta-analysis
|
25,723
|
21,146
|
(1)
|
|
Indexed journals
|
5,543
|
1,287
|
(2) 17 May 2011
|
|
EMBASE (17 May 2011)
|
|
EMBASE records
| ∼ 24 M | |
(3)
|
|
EMBASE journals
|
≥ 7,500
| |
(3)
|
|
Cochrane library (17 May 2011)
|
|
Clinical trials (CENTRAL)
|
645,086
|
286,418
|
(4) issue 2 of 4, Apr 2011
|
|
Cochrane reviews
|
4,621
|
4,621
|
(4) issue 5 of 12, May 2011
|
|
Other reviews
|
14,602
|
12,683
|
(4) issue 2 of 4, Apr 2011
|
|
All reviews (Cochrane + Other)
|
19,223
|
17,304
| |
|
Cochrane protocols
|
2,020
|
2,020
|
(4) issue 5 of 12, May 2011
|
|
sources
| | | |
|
1. http://www.nlm.nih.gov/bsd/licensee/baselinestats.html
| |
|
2. http://www.nlm.nih.gov/tsd/serials/lji.html
| |
|
3. http://embase.com/info/what-is-embase/coverage
| |
|
4. http://thecochranelibrary.com/
|
