Answers: 2
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, 23.06.2019 14:20, Pipemacias9995
Bulimia nervosa cannot be prevented, but it can be treated if diagnosed early. true or false?
Answers: 1
Health, 23.06.2019 16:00, JKINGblackstar3502
In a paragraph describe the function the stomach serves in the digestive system
Answers: 1
Which of these items are made of cells....
Mathematics, 06.10.2020 14:01
Biology, 06.10.2020 14:01