Retrospective, long-term follow-up study of the effect of a three-tier prescription drug copayment system on pharmaceutical and other medical utilization and costs
Kathleen A. Fairman, Brenda R. Motheral, Rochelle R. HendersonVolume:
25
Year:
2003
Language:
english
DOI:
10.1016/s0149-2918(03)90099-3
File:
PDF, 97 KB
english, 2003