1. Agency for Health Care Research and Quality (2001): The Medical Expenditure Panel Survey: Household component full-year files. Available at: http://www.mepsiahra.gov/data_pub/hc_fyd96.htm
2. Medical and economic costs of psychologic distress inpatients with coronary artery disease;Allison;Mayo Clinic Proc,1995
3. Depression and the dynamics of smoking;Anda;JAMA,1990
4. The prevalence of comorbid depression in adults with diabetes;Anderson;Diabetes Care,2001
5. Depression and cardiovascular disease;Aromaa;Acta Psychiatr Scand Suppl,1994