1. Literature search
1.2 Source documents
Searching on Internet
Sources available:
- General search engines (Google, Yahoo…)
- Meta-search engines (Copernic)
- Directories (Evidence-Based Healthcare, CISmef…)
- Selective applications (SUM-search) that can simultaneous query several sources.
« EBM search filters » (Evidence-Based Medicine)offer predefined search strategies that use qualitative search criteria.
To get the most exhaustive results, it is usually necessary to use one or several fee-based services for full-text searches.