Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Database sources
| Source | Files Retrieved | Files Accepted |
| PubMed | 82 | 5 |
| ICL | 63 | 27 |
| CCOHTA | 2 | 0 |
| AHRQ | 195 | 0 |
| PEDro | 20 | 0 |
| WHO ICTRP | 62 | 0 |
| Cochrane | 291 | 0 |
| CINAHL | 181 | 20 |
| MANTIS | 49 | 20 |
| AMED | 14 | 4 |
| EMBASE | 295 | 5 |
| Conference Proceedings | 20 | 17 |
| Manual searching | 1 | 1 |
| 1275 | 99 |
