title: Research essentials.
abstract: A literature review is a summary of the evidence, usually research literature, to answer a specific question ( Bettany-Saltikov 2012 ). The evidence arising from a literature search should be subject to a systematic evaluation of its quality and summary of key issues. A robust systematic review may be significant enough to warrant changes in practice.
authors.affiliation: University of Salford, on behalf of the RCN's Research in Child Health Community.
authors.forename: Michaela
authors.initials: M
authors.lastname: Barnard
mesh_terms: D017408:Guidelines as Topic; D012196:Review Literature as Topic; D014956:Writing