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Health, 23.03.2021 03:30 madisonsolis05

24. The most reliable way to answer the question Does Vitamin C prevent colds? is by performing: A. a nonrandomized baseline comparison study
B. a randomized experimental study
C. a nonrandomized prospective study
D. a nonrandomized retrospective study

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24. The most reliable way to answer the question Does Vitamin C prevent colds? is by performing: A....
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