A note on the comparison of the hospital cost experience of three competing HMOs.
D054598:Blue Cross Blue Shield Insurance Plans / Q000191:economics; D006279:Health Maintenance Organizations / Q000191:economics*; D006761:Hospitals / Q000706:statistics & numerical data*; D007902:Length of Stay / Q000191:economics; D009518:New York; D010343:Patient Admission / Q000191:economics*