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Health, 22.06.2019 15:20
[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine.what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.
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Health, 23.06.2019 04:10
The consists of a mixture of gases and particles, including oxygen, nitrogen, hydrogen, carbon dioxide, water vapor, and dust.
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Health, 23.06.2019 07:30
Recognizing your emotions is an important first step toward a. dealing with them in a healthy way b. acting on them immediately c. using defense mechanisms to deal with them d. denying that they exist
Answers: 2
If an individual eats foods that do not contain any dairy and only drink soy milk, he or she most li...
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