0 Blue cross :- blue shield plan Old trade tokens found at site of new Blue Cross-Blue Shield building at 7th and Broadway. Post 0 8, 1971 p.49 Colorado branch cleared of any intent to defraud in Medicare. RYIN 0 31, 1971 p.24 Two administrators, I doctor ask Colorado legislative panel's intervention in million dollar struggle over Medicare. Post N 18, 1971 p.3 RYN N 18, 1971 p.62 Conflict continues between Blue Cross-Blue Shield and Parkview Hospital. Post N 26, 1971 p.3 0