1. Kutner M, Greenberg E, Jin Y, Boyle B, Hsu Y, Dunleavy E. Literacy in Everyday Life: Results from the 2003 National Assessment of Adult LiteracyNCES 2007-480. Washington, DC: National Center for Education Statistics, U.S. Dept. of Education; 2007.
2. Kutner M, Greenberg E, Jin Y, Paulsen C. The Health Literacy of America’s Adults: Results from the 2003 National Survey of Adult LiteracyNCES 2006-483. Washington, DC: National Center for Education Statistics, U.S. Dept. of Education; 2006.
3. Institute of Medicine. Health Literacy - A Prescription to End Confusion. Nielsen-Bohlman L, Panzer AM, and Kindig DA. Washington, DC: National Academies Press; 2004.
4. Berkman ND, Dewalt DA, Pignone MP, Sheridan SL, Lohr KN, Lux L et al. Literacy and health outcomes. Evid Rep Technol Assess (Summ). 2004;1–8.
5. Marcus EN. The silent epidemic-the health effects of illiteracy. N Engl J Med. 2006;355:339–41.