efficacy :

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e fi ka see

  • n  capacity or power to produce a desired effect
    concern about the safety and efficacy of the vaccine

  • It involves a challenge to the efficacy of Federal Aviation Administration equipment and safety procedures as well as salary, working conditions, rivalry among unions and the .
  • But, argue authors John Buell and Etta Kralovec in The End of Homework, "both research and historical experience fail to demonstrate the necessity or efficacy of ever longer hours .
  • In the efficacy group, 52% responded to Celexa vs.
News & Articles


  • John Shalikashvili in Central Florida Future
    I now believe that if gay men and lesbians served openly in the United States military, they would not undermine the efficacy of the armed forces,wrote Gen. John Shalikashvili, former chairman of the Joint Chiefs of Staff, in January 2007.
  • Richard Burr in Forbes
    It's an impossible pathway to understand at an agency tasked with a mission that is to prove safety and efficacy,said Burr, adding that could keep any new reduced-harm tobacco product from coming on the market.
  • Michael Berenbaum in Guardian Unlimited
    The Americans flubbed it,Berenbaum said. "The bombing could have weakened the infrastructure and made it more difficult to kill with the efficacy with which they killed."

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