But changes in data collection starting in 1997 make it hard to compare the figures before and after that year.

It's best to shop around and compare a few prices before purchasing.

The department will continue to monitor these factors to compare them before and after the speed limit change.

Q. How would you compare the quality of life before and after your paralysis?

That compares with $36 before the announcement on Jan.11.

He called for some other records and compared them with the fire-bright numbers before him.

They then compared the death rate with the average from the 15 months before the war.

When you compare trials before and after the training there is evidence for a forward shift in activated brain area.

This compares with a Pentagon budget of $291 billion before 9/11.

By comparing the same patient's numbers before and after treatment, we are effectively using each patient as their own control.