And if they're not, they are often licensed in their particular field.

State officials said most students have the time to concentrate on a particular field of study.

Some of them are international leaders in their particular fields.

In some cases, a well-known family is associated with a particular field.

To evaluate the general quality of medical research in a particular field.

In this case I should start the conversation with a short report on my particular field.

In this time men are lost without their particular fields of experience.

Each department provides the full range of combined treatment in a particular field.

Experts have tremendous experience through practice and education in a particular field.

Very interesting read even for someone who doesn't work in this particular field.