1. 10th annual report on DTC;Humphreys;MedAdNews,2004
2. Promotion of prescription drugs to consumers;Rosenthal;N Engl J Med,2002
3. Prescription Drugs: FDA Oversight of Direct-to-consumer Advertising has Limitations;GAO,2002
4. The development of direct-to-consumer prescription drug advertising regulation;Palumbo;Food Drug Law J,2002
5. Advertising and Promotion Management;Rossiter,1987