efficacy * , also: efficacity

Studies are beginning to show the efficacy of this approach.

Here's what you should know about their safety and efficacy.

It's far too early to judge the efficacy of the changes.

What does that say about the efficacy of modern music?

And she said, "We also need more information about the efficacy of treatment."

However, its efficacy has not been studied in children under six years old.

Under the right circumstances, the technology has some efficacy and can work.

Answer: They should not affect the efficacy of each other.

There has been much debate about the efficacy of this program.

Nothing came immediately to mind as having the efficacy of a gun.

I think their support says a lot about the efficacy of our proposal.

And so she, too, was teaching to the test, but without much faith in its efficacy.

A 2007 study shows the efficacy of a similar treatment on a different patient.

And when a new treatment takes over before its efficacy is established, at what point should price become an issue?

Almost no one debates the efficacy of drug treatment programs.

"We have concerns about safety and efficacy but so far everything looks good."

He was not surprised by the efficacy of that simple action.

The efficacy of these two techniques will now be compared.

Have you got any information about the efficacy of the treatments that were used in those?

Treatment efficacy could be evaluated in 14 of the 16 patients.

But there are many questions about the emphasis and the efficacy of these services.

Five focus groups considered the efficacy of about 5,000 regulations.

The efficacy of the same is debated and subject to research.

There is no evidence to support the efficacy of this intervention.

Health officials there are not convinced of the treatment's efficacy.