More cards in this set

What are the effects of people after vaccinations?

What do genetic differences cause during vaccinations?

Where are new drugs first tested?

How are new drugs often developed?

What must the drug be testes on first before humans? Why?

What can stop the drug going to the humans?

Why is the drug first tested on healthy volunteers?

When can the drug be tested on a sick volunteers?

What are placebos? Why are they used?

What are blind-trials?