I spent the next five days in intense study with Will.

These are years of intense study and exchanges with colleagues.

He was involved in intense studies for about five years.

More intense studies from 2002 to 2004 have further defined the occupied habitat.

How to turn that trend around has been the subject of intense study and debate.

Then his eyes narrowed on an intense study of her features.

As such, it has been the subject of intense study by military analysts and historians.

The firefighters must complete 84 hours of intense study, practice and testing.

Finally he would have the opportunity to implement his endless hours of intense study.

He then spent two years undertaking intense studies of the modern sciences.