When on a webpage, highlight a title of interest.

Click the button 
A pop-up window will display. Note the full-text options at the bottom of the window.
- Green highlighting indicates open access
- Penn holdings are highlighted in grey.
- If only the PennText link appears, click the article title, not the PennText link.
- If neither shows, click the 4-sided arrow
to open in Google Scholar to see any links to other versions of the article.
Click the quotes
for quick citing examples or to download to citation managers.
Cited by indicates the number of times the article was cited in the Scholar database and links to these articles.