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Databases for clinical evidence

Clinical evidence databases

Good health professionals inform their clinical practice by consulting the best evidence available to them. 

Depending on the type of clinical question (risk, diagnosis, treatment, prognosis, etc), the level of evidence available will vary, from the lowest levels such as expert opinion through to individual case studies, cohort studies, clinical trials,  and finally randomised controlled trials and meta analyses at the highest level. 

In some cases a systematic review that analyses the results of a number of randomised controlled trials may be available to summarise the evidence on a particular clinical question.

The resources below may assist you in your search for clinical evidence.