Treatment.  HIV drug spending up; Merck offers discounts.
D019380:Anti-HIV Agents / Q000191:economics*; D016527:Drug Costs / Q000639:trends*; D004345:Drug Industry / Q000191:economics*; D015658:HIV Infections / Q000188:drug therapy; D006801:Humans; D008483:Medical Assistance
D019380:Anti-HIV Agents