Cochrane handbook for systematic reviews of interventions / edited by Julian P.T. Higgins, James Thomas, Jacqueline Chandler, Miranda Cumpston, Tianjing Li, Matthew J. Page, Vivian A. Welch.

Starting a review
Determining the scope of the review and the questions it will address
Defining the criteria for including studies and how they will be grouped for the synthesis
Searching for and selecting studies
Collecting data
Choosing effect measures and computing estimates of effect
Considering bias and conflicts of interest among the included studies
Assessing risk of bias in a randomized trial
Summarizing study characteristics and preparing for synthesis
Analysing data and undertaking meta-analyses
Undertaking network meta-analyses
Synthesizing and presenting findings using other methods
Assessing risk of bias due to missing results in a synthesis
Completing 'Summary of findings' tables and grading the certainty of the evidence
Interpreting results and drawing conclusions
Equity and specific populations
Intervention complexity
Patient-reported outcomes
Adverse effects
Economics evidence
Qualitative research and Cochrane Reviews
Prospective approaches to accumulating evidence
Including variants on randomized trials
Including non-randomized studies on intervention effects
Assessing risk of bias in a non-randomized study
Individual participant data.