title: Medicare part D: early experiences.
mesh_terms: D003258:Consumer Behavior; D017047:Cost Sharing; D006801:Humans; D007345:Insurance Claim Review; D007356:Insurance, Pharmaceutical Services; D006278:Medicare / Q000458:organization & administration*; D001523:Mental Disorders / Q000188:drug therapy; D010353:Patient Education as Topic; D014481:United States