What is considered a systematic review of literature,

How does a nurse know what (if any) knowledge in a research study is usable for clinical practice? What would a critical thinker look for in the evidence before deciding to change? What influence do credibility and clinical significance have on your decisions to integrate research-based evidence into your practice?
What is considered a systematic review of literature, integrative review, meta-analysis and metasynthesis and why is it important to incorporate these into your support of evidence?
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