1. A history and perspective on direct-to-consumer promotion;Pines;Food Drug Law J,1999
2. Staff report on prescription drug advertising to consumers,1984
3. Direct-to-the-public advertisement of prescription drugs;Cohen;N Engl J Med,1988
4. Direct-to-consumer advertising of prescription drugs: withdrawal of moratorium;Federal Register,1985
5. 21 CFR 202.1 (United States Code of Federal Regulations),2000