The study required by the college was almost too easy.

Most recently the project was working to meet the lengthy environmental studies required for major projects.

He said modifications of the plan would not require new studies.

To see such differences typically requires studies with thousands of patients, followed for years.

The officials said they had decided to require such pediatric studies because drug companies were not doing enough on their own.

To be a professional in civil engineering requires study at a university or college.

The next word requires study; she wants it to refer to something important.

Any health claim would require extensive studies to support it.

He takes an active part in public work which requires statistical study.

They had their own brand of honesty, which required special study.