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efficacy
(redirected from Perfect use)

   Also found in: Wikipedia 0.04 sec.
efficacy /ef·fi·ca·cy/ (ef´i-kah-se)
1. the ability of an intervention to produce the desired beneficial effect in expert hands and under ideal circumstances.
2. the ability of a drug to produce the desired therapeutic effect.
Dose-effect curve for two drugs of different efficacy: The efficacy of drug A is greater than that of drug B.

efficacy
(ef´iksē),
n the ability to provide a clinically measurable effect, preferably beneficial.

efficacy
intrinsic activity; is equal to the magnitude of the maximal response.

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