1. Arias, E. (2006) United States Life Tables, 2003. National Vital Statistics Reports 54, No. 14, 1–40. Available at URL: http://www.cdc.gov/nchs/data/nvsr/nvsr54/nvsr54_14.pdf
2. Pollack, A. (2002) Despite Billions for Discoveries, Pipeline of Drugs Is Far From Full. The New York Times April 19. Available at URL: http://query.nytimes.com/gst/fullpage.html?res=9407E4DB153FF93AA25757C0A9649C8B63
3. Pharmaceutical Research and Manufacturers of America. Pharmaceutical Industry Profile 2008. Washington DC, USA: Pharmaceutical Research and Manufacturers of America, March 2008. Available at URL: http://www.phrma.org/files/2008%20Profile.pdf
4. IMS Health. Intelligence.360–Global Pharmaceutical Perspectives 2007. Norwalk, CT, USA: IMS Health 2008. Available at URL: http://www.imshealth.com/portal/site/imshealth/menuitem.c96f97d74b76899c33a004f09418c22a/?vgnextoid=b04e51dd68585110VgnVCM10000071812ca2RCRD&vgnextfmt=default
5. IMS Health. IMS Health Reports U.S. Prescription Sales Grew 3.8 Percent in 2007, to $286.5 Billion [press release]. IMS Health 2008 March 12. Available at URL: http://www.imshealth.com/portal/site/imshealth/menuitem.a46c6d4df3db4b3d88f611019418c22a/?vgnextoid=280c1d3be7a29110VgnVCM10000071812ca2RCRD&vgnextfmt=default