HMO: doing better and feeling better? Some findings from a regional health survey.
D000328:Adult; D002140:California; D005260:Female; D006279:Health Maintenance Organizations; D006296:Health Services / Q000706:statistics & numerical data; D006304:Health Status; D006306:Health Surveys; D006801:Humans; D007348:Insurance, Health; D008297:Male; D008875:Middle Aged