Conducting a Systematic Review of the Literature.

This overview of the systematic review provides guidance regarding how and when to use this approach to a research question. High quality systematic reviews are essential to assist health care practitioners keep current with the large and rapidly growing body of scientific evidence. The systematic review is a transparent and reproducible synthesis of all the available evidence on a clearly defined research question or topic. Key stages in conducting a systematic review include clarification of aims and methods in a protocol, finding all of the relevant research, data collection, quality assessments, synthesizing evidence, and interpreting the findings. This short report provides examples for the various stages and steps of the systematic review research approach.