Leading resource for systematic reviews in health care. Contains high-quality, independent evidence to inform healthcare decision-making.
To locate evidence-based literature on your topic, consider
1) adding these terms to your topic:
("systematic review" OR meta-analysis")
2) Limit your search to systematic reviews, meta-analysis, etc. Limiting options will vary by database.
Pyramid of Evidence-Based Practice used in classifying levels of literature. Highest levels help in identifying the most effective interventions/treatment when answering research questions.
Source: http://www.samhsa.gov/co-occurring/topics/training/Evidence-BasedPractices%28OP6%29.pdf