Biology, 14.12.2020 22:30 zahnjoey4661
An experiment was conducted to test the effectiveness of a blood pressure drug. Before the trial, all patients’ blood pressure was recorded. One hundred patients were given the drug for six months, and one hundred different patients were given a placebo (sugar pills). After six months, all the patients’ blood pressures were measured. What is the experimental group for this experiment?
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An experiment was conducted to test the effectiveness of a blood pressure drug. Before the trial, al...
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