Conducting a literature review, or a scoping review, prior to conducting any research is important and useful to understand what work has already been done, so you can identify the gaps in your chosen topic or research field.

The Johns Hopkins University of Medicine provide useful information how to conduct a literature review - navigate their website and literature review page here.

https://www.youtube.com/watch?v=xGYFDrORpzA

Oxford University developed a step-by-step guide to searching PubMed - find the guide here

For further information on how to conduct a systemic scoping review, check out this 2015 paper.

Whether you are an experienced researcher or a novice reviewer, these links are a useful for anyone undertaking a literature review.

• The difference between a systematic review & scoping review.
• Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) website.
• Systematic review or scoping review? Guidance for authors when choosing between a systematic or scoping review approach.