Ms. Yellen, by contrast, has regularly defended the Fed's policies as both safe and effective.
To approve a new drug, the F.D.A. must be convinced that it is both safe and effective.
Consensus now is that before an event up to 3mg per kilogram of body weight is both safe and effective.
The article unnecessarily raises concerns about a treatment that is both safe and effective for relieving neck pain and headaches.
"But as we'll be hearing today," Dr. Goodwin told his audience, "modern treatments — mood stabilizers in particular — have been proven both safe and effective in bipolar children".
Clinical trials found Mosquirix to be both safe and effective, providing 39% efficacy at preventing clinical cases of malaria over the course of a four-year trial.
Now the world's most widely consumed stimulant, equivalent to 6 billion cups of coffee a day, it appears to be both safe and effective.
Drug company officials say the sedative hypnotics have been shown to be both safe and effective, though like other prescription sleeping pills, they may carry some risks.
It took almost another half century to discover an effective method of producing antiviral vaccines that were both safe and effective.
A study published in 2010 in The American Journal of Reproductive Immunology found that this vaccine is both safe and effective in healthy female koalas.
The Defense Department denied conducting such experiments on troops and defended the vaccine, saying it was both safe and effective, and necessary to protect the military from a possible attack.
