title: Key factors affecting the future of managed care.
authors: A J
authors: AJ
authors: Lee
mesh_terms: D000368:Aged; D005544:Forecasting; D006279:Health Maintenance Organizations / Q000639:trends*; D006801:Humans; D007373:Interinstitutional Relations; D006278:Medicare; D008875:Middle Aged; D014481:United States