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efficacy
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Oliver Twist
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efficacy
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Oliver Twist
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  • It is worthy of remark, as a curious physical instance of the efficacy of a sudden surprise in counteracting the effects of extreme fear, that her voice had quite recovered all its official asperity.

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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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