Sources:
Herbst, Sarah, Pietrzak, Robert H., Wagner, Julie, White, William B., Petry, Nancy M.
Lifetime Major Depression is Associated With Coronary Heart Disease in Older Adults: Results From the National Epidemiologic Survey on Alcohol and Related Conditions
Psychosom Med 2007 69: 729-73.
de Jonge, Peter, Mangano, Dennis, Whooley, Mary A.
Differential Association of Cognitive and Somatic Depressive Symptoms With Heart Rate Variability in Patients With Stable Coronary Heart Disease: Findings From the Heart and Soul Study
Psychosom Med 2007 69: 735-739

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