Looking at the meaning of DRGs.
D001315:Australia; D003365:Costs and Cost Analysis; D003953:Diagnosis-Related Groups; D004469:Economics, Hospital; D004471:Economics, Nursing / Q000639:trends; D006739:Hospital Administration / Q000639:trends; D006801:Humans; D008505:Medical Staff, Hospital / Q000639:trends; D009741:Nursing Staff, Hospital / Q000639:trends; D014481:United States