Intensive Care Medicine · 1994 · 84 citations · 8 references
Health ProfessionsHealth AdministrationHealth Services AdministrationHospital AdministrationHospital MedicineDirect Medical CostsHealth Care CostsHealth Care Expenditure AnalysisHealthcare Cost AnalysisHospital EconomicsIntensive Care MedicineIntensive Care CostsIntensive Care Unit UtilizationIntensive Care Utilization
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William A. Knaus, Elizabeth A. Draper, Douglas P. Wagner et al. · Critical Care Medicine · 1985 · 13.7K citations
Medicine, Internal Medicine, Clinical Classification Systems +16
APACHE II: a severity of disease classification system.
Elizabeth S. Draper · PubMed · 1985 · 6.1K citations