1.   In each case, federal troops were ostensibly used to prevent interference to the mail.

2.   It might be much bigger if the drug could be used to prevent, as opposed to treat, prostate cancer.

3.   Cyclosporin is a potent immunosuppressive agent used to prevent allograft rejection in solid organ transplantation.

4.   This provision may be used to prevent a vexatious litigant from making repeated applications for contact which have little chance of success.

5.   Although she agreed to restore the money for the agency, Mrs. Whitman said it would not be used to prevent layoffs at the agency.

6.   Another avenue of investigation is identification of the chemicals used to prevent the particles from clumping together once the anthrax slurry is dried and ground into a powder.

7.   Arguments ensued about the logic of shifting money used to prevent unplanned pregnancies to making abortions possible.

8.   Be sure to keep it covered with a damp towel while using to prevent the thin sheets from drying.

9.   A muscle relaxant is used to prevent any sudden jolts or movements by the patient.

10.   A prominent art dealer in New York, Richard L. Feigen, said he believed that art should not be used to prevent development.