Depression. Mental Health America website. Available at: http://www.mentalhealthamerica.net/conditions/depression. Accessed March 12, 2021.
Depressive disorders. Merck Manual Professional Version website. Available at: http://www.merckmanuals.com/professional/psychiatric-disorders/mood-disorders/depressive-disorders. Accessed March 12, 2021.
Major depressive disorder (MDD). EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/major-depressive-disorder-mdd. Accessed March 12, 2021.
Persistent depressive disorder. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/persistent-depressive-disorder. Accessed March 12, 2021.
Persistent depressive disorder. Family Doctor—American Academy of Family Physicians website. Available at: https://familydoctor.org/condition/dysthymic-disorder. Accessed March 12, 2021.
Schramm E, Klein DN, et al, Domschke K. Review of dysthymia and persistent depressive disorder: history, correlates, and clinical implications. Lancet Psychiatry. 2020;7(9):801-812.
Last reviewed January 2021 by
EBSCO Medical Review Board
Adrian Preda, MD
Last Updated: 03/12/2021
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