1. American Heart Association 2011 Understand your risk for high blood pressure www.heart.org/HEARTORG/Conditions/HighBloodPressure/UnderstandYourRiskforHighBloodPressure/Understand-Your-Risk-for-High-Blood-Pressure_UCM_002052_Article.jsp
2. American Psychological Association: Public Policy Office 2000 Psychology is a behavioral and mental health profession www.apa.org/about/gr/issues/health-care/profession.aspx
3. American Sleep Association 2010 Insomnia www.sleepassociation.org/index.php?p=patienthandouts