TY - JOUR T1 - What is a systematic review? JF - Evidence Based Nursing JO - Evid Based Nurs SP - 64 LP - 64 DO - 10.1136/ebn.2011.0049 VL - 14 IS - 3 AU - Jane Clarke Y1 - 2011/07/01 UR - http://ebn.bmj.com/content/14/3/64.abstract N2 - A high-quality systematic review is described as the most reliable source of evidence to guide clinical practice. The purpose of a systematic review is to deliver a meticulous summary of all the available primary research in response to a research question. A systematic review uses all the existing research and is sometime called ‘secondary research’ (research on research). They are often required by research funders to establish the state of existing knowledge and are frequently used in guideline development. Systematic review findings are often used within the … ER -