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Physics, 16.09.2021 18:30 zamariahyou

The Journal of Allergy and Clinical Immunology did a study to determine which cold medicines really work. What would be a control in this study? *
The different types of cold medicine.
The group of people not taking any cold medicine.
The group of people taking the different types of cold medicine.

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The Journal of Allergy and Clinical Immunology did a study to determine which cold medicines reall...
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