A Systematic Review (SR) is "a literature review focused on a specific research question, which uses explicit methods to minimize bias in the identification, appraisal, selection, and synthesis of all the high-quality evidence pertinent to the question." Source: Online Dictionary of Library and Information Science
Note: "Statistical methods to synthesize the results of the included studies (meta-analysis) may or may not be used in the process." (EFSA, 2015). In other words, not all systematic reviews have meta-analysis. Systematic reviews are not all created equal.
A Systematic Review includes
Sources: http://handbook.cochrane.org/ https://archive.org/details/CochraneSystematicReviewsGIFs
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Takeaways when citing Cochrane reviews in APA Style (6th ed.):