Allergy Testing More Condition_symptoms Where Might I Find An Online Source To Learn More About RAST Testing And Levels Of Sensitivity?

Where might I find an online source to learn more about RAST testing and levels of sensitivity? - allergy testing more condition_symptoms

For example, if someone one step 4 of the peanut allergy is severe. However, a Level 2 is moderate for dust mites. I think there are 5 levels.

I try to see more about the test results before the doctor know on Monday, so I can ask intelligent questions!

Thank you in advance.