PubMed · Literature searching
Build concept-based queries
Make a health-literature search understandable and reproducible.
Try it in three steps
- Group alternative terms for one concept with OR.
- Combine different concept groups with AND and parentheses.
- Review search history and query translation under Advanced.
How to read the output
Example: (sleep OR insomnia) AND students. Record the query, date and filters.
Test your understanding.
True or false?
You can group synonyms with OR and join different concept groups with AND.
Related concepts
Official source
PubMed · Documentation ↗Documentation checked: . Steps are based on official documentation and have not been tested in the application. Menu names may differ by version and interface language.