The neurotransmitter systems involved in wheel-running behavior have received considerable study.

It would be imprudent to make the kind of changes that are being discussed without considerable study.

He devoted considerable study to mechanics and was proficient in astronomy.

Liverpool's struggle for identity during the revolutionary war has been the subject of considerable study by historians.

He spoke as if he had given the matter considerable study.

Mr. Kelly said the report would require considerable further study.

The cytology of P. laevis has been subject to considerable study.

In some of these it takes considerable study to figure out what is real.

Trading technology was nearly impossible without first doing considerable study in the Technology screen.

These games often require a considerable study of the rules before they can be played.