Pitfalls may come with HMO success.
Bell
C W
CW
D054598:Blue Cross Blue Shield Insurance Plans; D005161:Facility Regulation and Control / Q000331:legislation & jurisprudence; D006279:Health Maintenance Organizations / Q000458:organization & administration*; D015273:Insurance Selection Bias; D011181:Postnatal Care / Q000191:economics; D014481:United States