11. The purpose of a phase III clinical trial is to _____

determine if the new drug is safe for humans
determine if the new drug is effective in humans
identify potential side effects in humans
compare the new drug to other available treatments


compare the new drug to other available treatments
Explanation:
Phase I trials determine if a drug is safe for humans.
Phase II trials determine if the drug is effective.
Phase III trials compare the new drug to other available treatments.

Biology & Microbiology

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