He began intensive religious study at the age of five.
They aren't ready for the kind of intensive study we give them.
The 1979 decision was taken after two years of intensive study.
But even after six months of intensive study many other problems remain.
An intensive study of the 'word' in the original language is made.
But now women are being singled out for more intensive studies.
During the period from 1993 to 2000, he did an intensive study of the female portrait, at times using his wife as a model.
After that he devoted his time to an intensive study of the general problem before him.
The new project will use a similar approach, the intensive study of a few cases, followed by broader efforts.
They didn't know, despite fully twenty years of intensive study.