1. Centers for Disease Control and Prevention.Improving health literacy for older adults.http://www.cdc.gov/healthliteracy/Learn/Resources.html. Accessed April 24 2020.
2. NNLM.Health literacy.https://nnlm.gov/initiatives/topics/health-literacy. Accessed April 24 2020.
3. health.gov.National action plan to improve health literacy.https://health.gov/our-work/health-literacy/national-action-plan-improve-health-literacy. Accessed April 24 2020.