There are two ways to add filters:
1. Before search: select filters in the red block before clicking "Search" button;
2. After search: add filters in the purple block to adjust your search result after running the search.
Note:
You can select "Sources" Filter before running the search or after the search.
1. Add before search
Four options: Embase, MEDLINE, preprints or PubMed-not-MEDLINE.
2. Add after search
Click "Sources" in the Results Filters section (in the purple block), select the area that you want to read, such as records specific to Embase, excluding from MEDLINE, then click Apply.
Your search History for your current session is shown here. Click on any search in your history to recall the results. Use the top bar next to History to save or delete searches, or select search number to combine searches.
Hover over any search to set an email alert or RSS feed or edit.
Select the record(s) (or use "Select number of items" drop down manual) and use the options next to Results to view, export, email or save to clipboard to read later.