The Effects of Cost Sharing on Adherence to Medications Prescribed for Concurrent Use: Do Definitions Matter?
Sacks NC, Burgess JF, Cabral HJ, McDonnell ME, Pizer SD. The Effects of Cost Sharing on Adherence to Medications Prescribed for Concurrent Use: Do Definitions Matter? J Manag Care Spec Pharm. 2015 Aug; 21(8):678-87.