The impact of DRGs after year 4. Part II: Controlling expense, chasing revenue.
D003625:Data Collection; D003953:Diagnosis-Related Groups / Q000191:economics*; D003955:Diagnostic Tests, Routine / Q000706:statistics & numerical data*; D007755:Laboratories, Hospital / Q000706:statistics & numerical data*; D010818:Practice Patterns, Physicians' / Q000639:trends*; D014481:United States