The effect of closing a Medicaid formulary on the prescription of analgesic drugs.
D000700:Analgesics / Q000008:administration & dosage; D003365:Costs and Cost Analysis; D011307:Drug Prescriptions / Q000191:economics*; D005569:Formularies as Topic / Q000191:economics*; D006801:Humans; D008484:Medicaid; D008922:Mississippi