A number of tests had been scheduled for first thing in the morning.

There are a number of tests your doctor might use.

The number of tests currently carried out is slightly higher.

Although there are a number of standard tests, each one has its critics.

A number of statistical tests have been developed to study such relations.

A number of promising tests have not worked out in the past.

The number of positive tests fell to 1.7 percent in 2004.

The stated number of positive tests from last fall was 1.3 percent.

Many doctors use a number of tests together, based on what is available.

I very much hope that this legislation does not lead to an increase in the number of tests on animals.