Please confirm topic selection

Are you sure you want to trigger topic in your Anconeus AI algorithm?

Please confirm action

You are done for today with this topic.

Would you like to start learning session with this topic items scheduled for future?

Review Question - QID 214094

In scope icon L 4 A
QID 214094 (Type "214094" in App Search)
Which of the following study designs does not require Institutional Review Board (IRB) review?