When did the United States government mandate that all research studies must be reviewed and approved by an IRB?

Name: When did the United States government mandate that all research studies must be reviewed and approved by an IRB?
Brand: Quizplus
Rating: 4.9 (49 reviews)

Question

Quizplus · Accepted Answer

Correct: The correct year is 1973
Incorrect A: Wrong year.No significant research event occurred in this year.
Incorrect B: In 1964 the Declaration of Helsinki was adopted..
Incorrect D: Wrong year.No significant research event occurred in this year.

When Did the United States Government Mandate That All Research