1. Introduction, in National Library of Medicine Current Bibliographies in Medicine: Health Literacy;Ratzan,2000
2. Health literacy: A prescription to end confusion;IOM,2004
3. Health literacy: The solid facts;WHO,2013
4. ETS. Health Activities Literacy Scale 2012; Available from: http://www.ets.org/literacy/about/content/health_activities_content.
5. Health Literacy of American Adults: Results from the 2003 National Assessment of Adult Literacy (NALS);NCES,2006