California's Medi-Cal copayment experiment.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000385:Aid to Families with Dependent Children; D001294:Attitude to Health; D002140:California; D002648:Child; D003729:Dental Care; D011307:Drug Prescriptions; D004608:Eligibility Determination; D005069:Evaluation Studies as Topic; D005260:Female; D005382:Financing, Personal; D006296:Health Services / Q000706:statistics & numerical data / Q000600:supply & distribution; D006801:Humans; D007883:Legislation, Medical; D008297:Male; D008427:Maternal Health Services / Q000706:statistics & numerical data; D008484:Medicaid; D008489:Medical Indigency; D009017:Morbidity; D010593:Pharmaceutical Services / Q000706:statistics & numerical data; D010820:Physicians / Q000706:statistics & numerical data; D011247:Pregnancy; D011314:Preventive Health Services / Q000706:statistics & numerical data; D011787:Quality of Health Care; D012943:Social Security