During phase I clinical trials, a new drug is tested ________.
A. in an animal model
B. on fewer than 100 human volunteers
C. on a few hundred human volunteers
D. on thousands of human volunteers
Answer:B
During phase I clinical trials, a new drug is tested ________.
A. in an animal model B. on fewer than 100 human volunteers C. on a few hundred human volunteers D. on thousands of human volunteers