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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, 22.06.2019 16:00
Chris has a thrombotic disorder which class of medications would his doctor prescribe to inhibit the thrombosis
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Health, 22.06.2019 17:00
How can a general chart for physical activity recommendations patients improve their overall health?
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Health, 22.06.2019 23:30
Place a check mark in the box to indicate which type of mutation is being shown. super urgent
Answers: 1
History, 29.12.2019 00:31
Mathematics, 29.12.2019 00:31
Mathematics, 29.12.2019 01:31
Mathematics, 29.12.2019 01:31
Mathematics, 29.12.2019 01:31