1.   Animal research has proved of little value in the past and will continue to hinder medical progress in the future.

2.   Having a constitution in our country in written form is proving of considerable significance.

3.   The peace movement and the criminal law None of these protests proved of any avail.

4.   That was all fairly predictable, and unlikely to prove of lasting damage.

5.   But he is convinced that the popularity of hypnosis has proven of its value for athletes.

6.   But the critical essays will prove of value to anyone seriously engaged by literature.

7.   But this identification proved of little help because the Ames strain had been widely distributed to laboratories in this country and abroad.

8.   Folkman remarked that the new finding may also prove of interest to arthritis specialists.

9.   He won the seat that was once held by Vice President Al Gore, whose intense campaigning in Tennessee proved of no effect.