Vaccine trials may deliberately exclude members of these groups.

He said the ouster was an unjustified effort to exclude African members but accepted the decision with sporting good will.

However counsel argued that each religious community has its own form which excludes members of other communities.

Pre-revolutionary Russian libraries had a tendency to exclude particular members.

"Our policy is against excluding members of any group based on who they are," Mr. Reed said.

Just a few places even attempted to exclude members of communist secret services from decision-making.

By excluding members of the news media, baseball's conduits to the fans.

He recognized, indeed, that requiring some form of religious belief would exclude potential members, limiting the movement's mass appeal.

In some cases, they have excluded members who had long been part of the tribe.