Blue Cross and Blue Shield of National Capital Area, Inc.,blue Cross and Blue Shield of Virginia, Blue Cross and Blueshield of Capital Area, Inc., Capital Area Blue Cross Andblue Shield, Inc., Blue Cross and Blue Shield of District Ofcolumbia, Inc., Metropolitan Blue Cross and Blue Shield,inc., Six Staples Mill Corp. v. Capitalcare, Inc., Access America, Inc, 819 F.2d 1137 (4th Cir. 1987)