EnglishJTSharfsteinSSScherlDJAstrachanBMuszynskiIL (1986). Diagnosis-related groups and general hospital psychiatry: the APA study. American Journal of Psychiatry, 143, 131–139
2.
Commonwealth Dept of Human Services and Health, DRG Development Casemix Branch. Report on the development of the third version of the AN-DRG Classification, December 1994