Risk stratification index: an important advance in comparing health care apples to oranges.
Cohen
Norman A
NA
Hannenberg
Alexander A
AA
D000758:Anesthesia / Q000009:adverse effects / Q000401:mortality*; D032084:Citrus sinensis; D003695:Delivery of Health Care / Q000379:methods / Q000592:standards*; D017052:Hospital Mortality / Q000639:trends; D006801:Humans; D027845:Malus; D020379:Risk Adjustment / Q000379:methods / Q000592:standards*