| What is the evidence that narcotic analgesia is efficacious in relieving chronic nonmalignant pain? |
| These drugs may be used topically or systemically and are safe and efficacious. |
| Second, proving that a supposedly life extending drug will be efficacious is an extremely difficult task. |
| When contemporary arts are produced for an international market, they can still be efficacious. |
| No difference was noted concerning one tradition being more powerful or efficacious than any other. |
| History and theory show that the use of naked government aggression is not a moral or efficacious way of dealing with poverty. |
