Caution is at least as efficacious a protection against him as courage.
Many efforts were made for his release, the most efficacious by the Queen of France.
Pieces of certain woods are believed efficacious for rheumatism, and old men especially may often be seen with them tied around the limbs.
The penalty should certainly prove efficacious, he observed lightly.
They resort to any and every agent which has been proved efficacious, whether it be vegetable or mineral.
In other words, if human reproductive cloning is efficacious and safe, its opponents have the burden of proof to show why it should be disallowed.
Similar approaches might be efficacious with respect to insect pests of agriculture.
Varenicline may be an efficacious, safe, and well-tolerated agent for maintaining abstinence from smoking.
