Effect of incentive-based formularies on drug utilization and spending.
Lewis G
LG
Sandy
Timothy
T
Heady
D017047:Cost Sharing; D017723:Drug Utilization Review; D005569:Formularies as Topic; D006801:Humans; D007348:Insurance, Health; D007356:Insurance, Pharmaceutical Services / Q000191:economics*; D011306:Prescription Fees; D014481:United States