But a department official denied that such a study existed.

Today, few sources and studies exist about Byzantine music on the whole.

The study exists already but now will be given higher priority.

At this date the scientific study of earthquakes hardly existed.

Some studies, however, do exist and a selection is shown in Fig. 5.1.

The studies of national trends that do exist look only at high school students.

What is more, no good studies existed because most of the women in the samples terminated before birth.

While there is little statistical scientific evidence evaluating the changes, a few studies do exist.

And technical studies do not exist as entities separate from society.

Few studies exist which have quantified wild populations and the effect of trade on them.