A research team is testing a product that will minimize wrinkles among older adults. Volunteers in the age group of 40 to 45 are included in

Question

A research team is testing a product that will minimize wrinkles among older adults. Volunteers in the age group of 40 to 45 are included in the research. The research team gives a cream to be applied on the face to one group and a placebo cream to the other group.

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Trúc Chi 3 years 2021-07-22T21:12:07+00:00 1 Answers 12 views 0

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  1. linhdan
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    2021-07-22T21:13:30+00:00
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