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Barkham, M. British Medical Bulletin, 2001.
Gjerdinjen, D. Journal of the American Board of Family Medicine, 2007.
Harvard Health Publications: "Exercise and Depression."
Johns Hopkins Health Alerts: "The Many Benefits of Pets."
Johns Hopkins Medicine: "Seasonal Affective Disorder."
Mental Health America: "Co-occuring Disorders and Depression."
National Institute of Mental Health, National Institutes of Health: "How is depression diagnosed and treated?" "What causes depression?" "What are the signs and symptoms of depression?" "What illnesses often co-exist with depression?" "Magnetic Stimulation Scores Modest Success as Antidepressant," "Major Depressive Disorder in Children."
The Merck Manual: "Depression."
Reviewed by Joseph Goldberg, MD on May 07, 2016
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