Comparing the use of medical care services by a medically indigent and a general membership population in a comprehensive prepaid group practice program.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001071:Appointments and Schedules; D005260:Female; D006123:Group Practice; D006801:Humans; D007348:Insurance, Health; D008297:Male; D008489:Medical Indigency; D008875:Middle Aged; D009922:Oregon; D010548:Personal Health Services / Q000706:statistics & numerical data*; D011153:Population; D011203:Poverty; D012737:Sex Factors; D014481:United States; D014490:United States Office of Economic Opportunity