Searching to support the production of a systematic review is complex and time consuming and it can takes weeks or months, depending on the topic.The WACHS library is only able to provide help with your initial search strategy and the databases that should be searched.
The systematic review steps required by the 2009 The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate healthcare interventions: explanation and elaboration includes documentation of your search results in the PRISMA Flow Diagram:
Book on the topic:
Systematic approaches to a successful literature review / Andrew Booth, Anthea Sutton, Diana Papaioannou.
Thousand Oaks, CA : Sage Publications, c2016.