title: Biased selection and Medicare HMOs: analysis of the 1989-1994 experience.
authors.affiliation: Barents Group LLC, USA.
authors.forename: D F
authors.initials: DF
authors.lastname: Cox
authors.forename: C
authors.initials: C
authors.lastname: Hogan
mesh_terms: D000368:Aged; D002204:Capitation Fee; D002755:Choice Behavior; D018588:Fee-for-Service Plans / Q000191:economics / Q000706:statistics & numerical data*; D005260:Female; D005102:Health Expenditures; D006279:Health Maintenance Organizations / Q000191:economics / Q000706:statistics & numerical data*; D006302:Health Services Research / Q000379:methods; D006801:Humans; D015273:Insurance Selection Bias; D008297:Male; D006278:Medicare / Q000458:organization & administration / Q000706:statistics & numerical data*; D011907:Rate Setting and Review; D014481:United States / Q000453:epidemiology