Adverse effects on codeine prescriptions in California arising from governmental regulations.
D002140:California; D003061:Codeine / Q000506:poisoning*; D011307:Drug Prescriptions; D004335:Drug and Narcotic Control / Q000331:legislation & jurisprudence*; D006801:Humans; D008484:Medicaid / Q000331:legislation & jurisprudence*
D003061:Codeine