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In a study, 200 adults were randomly assigned to receive either a newly formulated medication or a placebo and were then followed to monitor the

In a study, 200 adults were randomly assigned to receive either a newly formulated medication or a placebo and were then followed to monitor the side effects from the medication. This is an example of __________ study. Question 15Answer a. Observational b. Cohort c. Case-control d. Clinical trial

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