Such demand could come from local business and professional groups.

By the time the second site was developed in 1970, attitudes had changed, and professional groups were involved from the beginning.

A ban on such sales by the industry's largest professional group had been in effect for more than 80 years.

So far, the reaction from professional groups has been positive.

Even as the head of professional groups, he found a way to get back to his reporting roots.

The medical staff on the Enterprise was the most professional group of people with whom she had ever worked.

This, after all, is the position in which every other professional group finds itself.

I hope that in future more of this highly professional group's work will be made available to the public.

Another entry point might be through a church, trade, ethnic or professional group.

The organization is the world's largest professional group devoted to earth studies.