By the numbers. Drugs/purchasing.
D001771:Blood Banks / Q000191:economics; D016527:Drug Costs / Q000706:statistics & numerical data* / Q000639:trends; D004345:Drug Industry / Q000706:statistics & numerical data; D011307:Drug Prescriptions / Q000145:classification / Q000706:statistics & numerical data; D005249:Fees and Charges / Q000706:statistics & numerical data; D017754:Group Purchasing / Q000145:classification / Q000706:statistics & numerical data*; D019538:Health Care Surveys; D006801:Humans; D019736:Prostheses and Implants / Q000191:economics; D014481:United States