The need for validation studies of comorbidity adjustment instruments.
Cheng
Lung-I
LI
Oladapo
Abiola
A
Rascati
Karen L
KL
D015897:Comorbidity; D015340:Epidemiologic Research Design; D006305:Health Status Indicators; D006801:Humans; D015233:Models, Statistical; D012107:Research Design; D020379:Risk Adjustment; D012720:Severity of Illness Index; D054928:Validation Studies as Topic