The new School of Medicine Red Book works on your iPad, keeping all of your procedure logs in the cloud.
Go to settings on your device.
Tap General, scroll to the bottom of the page, and tap Device Management.
Tap Loma Linda University.
Tap Trust "Loma Linda University."
Confirm by tapping the Trust button.
Press the home button to find the Red Book app. You'll now be able to start and use Red Book.