Table 3 Sources Searched
Electronic sources searched in at least 10% of reviews | N | % |
|---|---|---|
MEDLINE | 105 | 100.0 |
Embase | 93 | 88.6 |
Cochrane Controlled Trials Register or CENTRAL or review group registry | 91 | 86.7 |
Science Citation Index or Social Science Citation Index | 37 | 35.2 |
CINAHL | 31 | 29.5 |
PsycLit | 18 | 17.1 |
Cochrane Library (no section specified) | 16 | 15.2 |
Biosis | 12 | 11.4 |
Dissertation Abstracts | 12 | 11.4 |
National Research Register | 11 | 10.5 |
Non-electronic search techniques (all reported methods) | ||
Cited references | 91 | 86.7 |
Experts and/or authors or non-commercial organizations contacted | 67 | 63.8 |
Contacted industry (pharmaceutical companies, manufacturers) | 30 | 28.6 |
Hand searching (other than reference lists) | 17 | 16.2 |
Own files | 2 | 1.9 |
Print indices other than Index Medicus | 2 | 1.9 |
Index Medicus | 1 | 1.0 |
Subject Bibliography | 1 | 1.0 |