Start with one or two keywords, then combine concepts one at a time. Do not add limiters (date, article type, etc.) until you're sure your keywords are productive.
- Databases use Boolean logic, which means you can combine terms using the words AND and OR to explore the literature more strategically.
- Use truncation to include variant endings: therap* = therapy OR therapies OR therapeutic
- Use quotation marks to bind keywords into a phrase like "fetal alcohol syndrome". This will narrow results.
- Use search history or advanced search to review previous searches and combine them to build new ones
Use controlled vocabulary to refine and focus results. Many articles have standardized descriptive terms assigned to them so you can easily find related articles.
- MeSH tutorial (Medical Subject Headings 3-minute video)
- Most health sciences databases offer MeSH search options
- CINAHL uses Subject Terms instead of MeSH terms