Here is a more detailed description of the systematic review process. Note the iterative nature of the process (arrows on the left). Step 14 refers only to meta-analyses.
Tsafnet, G., Glasziou, P., Choong, M.K., et al. Systematic review automation technologies. Systematic Reviews 2014; 3:74; http://www.systematicreviewsjournal.com/content/3/1/74.
PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) "is an evidence-based minimum set of items for reporting in systematic reviews and meta-analyses . . . to help authors improve the reporting of systematic reviews and meta-analyses."
Bias: "a systematic error, or deviation from the truth, in results or inference" (Cochrane Handbook, ch. 8)
Types of bias include:
For guidance on assessing study types, see the Reporting Results page in this guide.
Institute of Medicine. (2011). Finding What Works in Health Care: Standards for Systematic Reviews. Washington, DC: National Academies
Cochrane Handbook of Systematic Reviews of Interventions, version 6 (2019)
Center for Reviews and Dissemination (University of York, England) (2009). Systematic Reviews: CRD's guidance for undertaking systematic reviews in health care.
Joanna Briggs Institute. (2014) The Reviewers Manual. The Joanna Briggs Institute/The University of Adelaide. https://wiki.jbi.global/display/MANUAL/JBI+Manual+for+Evidence+Synthesis
For issues in systematic reviews, especially in social science or other qualitative research: Some Potential "Pitfalls" in the Construction of Educational Systematic Reviews.