11.   It was noted above that for an extended period of our history crime was actually falling.

12.   Most of the psychotic episodes experienced by people using Halcion involved high doses for extended periods of time.

13.   Or even overcome a business relation-ship that includes an extended period of waiting.

14.   Studying the body clock for extended periods of time Consider the following experimental design for a volunteer studied on his own.

15.   The intention is that over extended periods of time equivalent machines receive an equivalent amount of resource.

16.   When the ground is frozen, walking on it for extended periods of time can cause frostbite.

17.   Obviously, any child who receives dedicated teaching over an extended period is likely to improve.

18.   Defense planners predict an extended period of retrenchment.

19.   The absence of attacks for such an extended period had lulled the nation into a false sense of security.