1.   But the symbolic gesture is likely to be of dubious long-term value and will depend entirely on the personalities and circumstances involved.

2.   Shell argues that rather than introducing new requirements of dubious value, governments should enforce existing regulations to force sub-standard ships out of business.

3.   Made a living at mesmerism and the selling of medical remedies of dubious value.

4.   But sugar is of dubious nutritional value.

5.   But most were of dubious value.

6.   But the Navy stubbornly insists on entering the next century with a large fleet laden with expensive new technology of dubious value.

7.   Does the dubious value of showing them to the world outweigh the harm of humiliation?

8.   It went through periods of rapture over novelties of dubious value and periods when a more critical stance prevailed.

9.   Moreover, information obtained would be of dubious value, Schwartz said.