If your institution doesn’t have access to that research database, you may lose a lot of time just trying to contact the first authors or trying to find the PDF or a pre-print somewhere.
Well, say goodbye to that problem!
This Google Extension will make your life easier.
It’s called Unpaywall, and you can download it for free in Google’s Store.
How it works is very simple: when there’s no full access, the lock will display gray, like in…