Most of these true cave dwellers have no closely related groups on the open ground.

Presents lectures to students, health care professionals, and other related groups.

The taxonomy of this and related groups is often disputed.

A number of bonsai societies, related groups, and individuals then became members.

They have long been known to be a physically related group of stars rather than any chance alignment.

Each species is usually specific to a different plant host, or closely related group of hosts.

For a long time running, most religious organizations have had a tendency to support like-minded or related groups in need.

Genetic studies have been done on the people and related groups.

Hayes was also involved in other human rights related groups such as the One Campaign.

One week we may do five or six concerts, like a related group of programs.