1. Aikin, K.J., J.L. Swasy, and A.C. Braman. 2004. Patient and physician attitudes and behaviors associated with DTC promotion of prescription drugs—summary of FDA survey research results. Silver Spring, MD: U.S. Department of Health and Human Services, Food and Drug Administration Center for Drug Evaluation and Research.
http://www.fda.gov/downloads/Drugs/ScienceResearch/ResearchAreas/DrugMarketingAdvertisingandCommunicationsResearch/UCM152860.pdf
.
2. Almasi, E.A., R.S. Stafford, R.L. Kravitz, and P.R. Mansfield. 2006. What are the public health effects of direct-to-consumer drug advertising? PLoS Medicine 3(3): e145.
3. Berinksy, A.J., G.A. Huber, and G.S. Lenz. 2012. Evaluating online labor markets for experimental research: Amazon.com’s Mechanical Turk. Political Analysis 20(3): 351–368.
4. Biegler, P., and P. Vargas. 2013. Ban the sunset? Nonpropositional content and regulation of pharmaceutical advertising. The American Journal of Bioethics 13(5): 3–13.
5. Bradley, M.M., and P.J. Lang. 2007. The international affective digitized sounds: Affective ratings of sounds and instruction manual, 2nd ed., IADS-2. Gainesville: University of Florida.