Google Scholar provides a simple way to broadly search for scholarly literature. From one place, you can search across many disciplines and sources: articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, online repositories, universities and other web sites.
The short video introduces you to Google Scholar. For more guidance on how to search using Google Scholar visit the LinkedIn Learning tutorial: https://www.linkedin.com/learning/google-apps-for-students
The term "Grey literature" refers to materials and research not published through normal commercial or academic channels and where publication isn't the primary aim of the organization producing it. Types of documents may include reports, working papers, government documents, conference proceedings, theses, presentations, lecture notes, pamphlets, data & statistics. Organizations producing grey literature include government departments, private companies, charities, professional associations, academic institutions, consultants. For a fully comprehensive search of the literature you should include these sources in your search.
Some examples of useful websites for searching grey literature:
Some useful online resources to help you with writing a systematic review:
These are useful websites to visit if you want to find health related statistics.