Stats & facts. The increasing dominance of the pharmacy benefits manager.
D000288:Administrative Personnel; D003625:Data Collection; D016527:Drug Costs / Q000706:statistics & numerical data / Q000639:trends*; D004363:Drug Utilization / Q000191:economics / Q000706:statistics & numerical data; D006279:Health Maintenance Organizations / Q000191:economics* / Q000706:statistics & numerical data; D007356:Insurance, Pharmaceutical Services / Q000706:statistics & numerical data*; D014481:United States