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The Age of Innocence
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Used In
The Age of Innocence
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  • The very mysteriousness of such a cure made her the more confident of its efficacy.

  • There are no more uses of "efficacy" in the book.

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  • The doctor weighed the efficacy of each treatment against potential side-effects.
  • They held hearings to investigate concerns about the safety and efficacy of the vaccine.

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