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- Effective dose (pharmacology)
Dose that produces therapeutic response in some fraction
In pharmacology, an effective dose (ED) or effective concentration (EC) is the dose or concentration of a drug that produces a biological response. The term "effective dose" is used when measurements are taken in vivo, while "effective concentration" is used when the measurements are taken in vitro. It has been stated that any substance can be toxic at a high enough dose. Wikipedia
