Answers: 1
Health, 22.06.2019 15:20, timozy95
[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.
Answers: 2
Health, 24.06.2019 08:00, nila49
Select all that apply. during your class stretching, you performed only static stretches you stretched the neck and shoulders you performed warm-ups before stretching you held your breath you performed a few ballistic stretches some exercises involved moving from one position to another
Answers: 2
for answer # 1 What can you hold in your left hand and not in your right?...
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