Health insurance and out-of-pocket expenses.
Zhang
Wei
W
Anis
Aslam H
AH
D001172:Arthritis, Rheumatoid / Q000191:economics* / Q000453:epidemiology*; D017281:Cost of Illness; D005102:Health Expenditures / Q000706:statistics & numerical data*; D006801:Humans; D007348:Insurance, Health / Q000706:statistics & numerical data*; D020379:Risk Adjustment / Q000191:economics / Q000706:statistics & numerical data*