Table 1.
Biomedical Databases Searched
| Database | Platform | Dates covered by search |
|---|---|---|
| MEDLINE | Ovid | 1966 to June 30, 2003 |
| PreMEDLINE | Ovid | 1970 to June 30 and July 4, 2003 |
| EMBASE | Ovid | 1988 to June 30, 2003 |
| PubMed | NA | 1950 to July 9, 2003 |
| CAB Health | SilverPlatter version 4.3 | 1973 to July 8, 2003 |
| CINAHL | Ovid | 1982 to June 30, 2003 |
| Cochrane Central Register of Controlled Trials | Ovid | 3rd Quarter, 2003; July 2, 2003 |
| Science Citation Index | ISI Web of Knowledge | 1945 to July 4, 2003 |
| Biological Abstracts | SilverPlatter version 4.3 | 1969 to July 4, 2003 |
| International Pharmaceutical Abstracts | Ovid | 1970 to August 12, 2003 |
| NLM Gateway | http://gateway.nlm.nih.gov/gw/Cmd | 1950 to August 13, 2003 |
| OCLC Papers First and Proceedings First | OCLC FirstSearch | 1993 to July 11, 2003 |
| TOXLINE | CSA Internet Database Service | 1965 to July 4, 2003 |
NA, not applicable.