Systematic reviews: Information sources

Bibliographic databases:

• Medline (Ovid) - search this first! 
• Embase (Ovid)
• Emcare (Ovid)
• APA PsycInfo (Ovid)
• CINAHL (EBSCOhost)
• Cochrane Library (Wiley)

Registers:

• Clinicaltrials.gov
• Australian New Zealand Clinical Trials Registry (ANZCTR)
• International Clinical Trials Registry Platform (ICTRP) 

Other sources:

• reference lists of included studies (recommended)
• authors and researchers
• backward and forward citation tracking
• Google Scholar
• journals or conference proceedings
• organisations and manufacturers
• websites