But from the beginning, it has been a cooperative group, the three members treating one another's compositions with equal abandon.

New treatment approaches are being developed by the national cooperative groups.

It lives in cooperative groups of 4 to 15 members with little competition within group even between breeding males.

In those small companies, management, producers and engineers are a small, cooperative group.

Such clinical trials are being carried out by institutions and cooperative groups.

There also are a substantial number of smaller cooperative groups.

In 1969 there were three cooperative groups, each with one protocol involving radiation therapy.

In the early 1970s there was a major expansion in the number of cooperative groups and participating institutions.

New concepts can be taught through play acting, cooperative groups, visual aids, hands on activities or information technology.

Institutional members include universities, medical centers, governments, and other cooperative groups.