These are examples of the range of systematic review services for which you might contact a librarian:
In addition to the resources shown below, searching combinations of these Medical Subject Headings [MeSH Terms] in PubMed may lead you to useful articles:
bias[MeshTerms]; epidemiologic studies[Mesh Terms]; evidence based medicine[Mesh Terms]; meta-analysis as topic[MeSH Terms]; observer variation[Mesh Terms] research design[Mesh erms]; review literature as topic[Mesh Terms]; selection bias[Mesh Terms]
Read this classic article before you dive in!
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