Observational evidence for determining drug safety.
editorial · Level V
Where this comes from
- Record sourced from PubMed, PMID 18356209.
- Also identified by DOI 10.1136/bmj.39491.493252.80 and PMC identifier 2270986.
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Abstract
Is no substitute for evidence from randomised controlled trials
Medical subject headings
- Drug-Related Side Effects and Adverse Reactions