Phase ________ of clinical testing is required by the FDA before drug approval and uses the greatest number of subjects. A. 2 B. 1 C. 3 D. 4

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asked Feb 20, 2018 185k views

1 Answer

Steven Robbins · Answer 1 · 2018-02-26T04:20:22+0000

The answer isC. Phase 3 of clinical testing is required by the FDA before drug approval and uses the greatest number of subjects.