After completing individual keyword searches for your P, I, and O, click on Search History.
In your Search History, you can combine the P, I, and O searches to create a focused set of search results relating to your PICO(T) question as a whole.
Follow these steps:
- Click Clear to delete any lingering search terms from your last search
- Select All searches in your Search History by checking the boxes next to each one
- Click the Search with AND button
![](https://libapps.s3.amazonaws.com/accounts/53146/images/Combine.JPG)
You will now have a set of search results (S4) comprised of S1 (Population) AND S2 (Intervention) AND S3 (Outcomes):
![](https://libapps.s3.amazonaws.com/accounts/53146/images/Combined.JPG)
The sample search above resulted in a total of 451 results after combining searches.
Your next task is to narrow the search results down by applying Limits and Filters.