Search Filters/Hedges
InterTASC Information Specialists' Sub-Group (ISSG) Search Filter Resource
Qualitative Studies: Cochrane (20.3.2.1 Search strategies)
RCT's in MedLine and EMBASE: Cochrane (6.4.11 Search filters)
McMaster Health Information Research Unit
Scottish Intercollegiate Guidelines Network (SIGN) Search Filters
Handsearching
“Handsearching” requires a trained person to check a journal from cover to cover, reading each article until they are satisfied whether or not it is definitely or possibly a report of a randomized controlled trial or a quasi-randomized controlled trial.” (Egger, 2001)
Egger M., Smith D.S., and O'Rourke K. (2001). Systematic reviews in health care : meta-analysis in context.