Please note: If you try to access the content of a book in the R2 Digital Library and you see a screen that says:
This content is currently unavailable because all of the licenses are in use.
This means that someone else in Summa is accessing this title at the same time as you. Just try again in about 10 minutes.
Check out our Population Health resources at http://medlib.summahealth.org/pophealth!