The absence of depressive symptoms is not the presence of wellness: Validation of the Clinical Positive Affect Scale.

Nierenberg AA, Bentley KH, Farabaugh AH, Fava M, Deckersbach T.

Aust N Z J Psychiatry. 2012 Dec;46(12):1165-72.

Antidepressant effects on emotional temperament: toward a biobehavioral research paradigm for major depressive disorder.

Soskin DP, Carl JR, Alpert J, Fava M.

CNS Neurosci Ther. 2012 Jun;18(6):441-51.

Severe and anxious depression: combining definitions of clinical sub-types to identify patients differentially responsive to selective serotonin reuptake 5inhibitors.

Papakostas GI, Fan H, Tedeschini E.

Eur Neuropsychopharmacol. 2012 May;22(5):347-55. doi: 10.1016/j.euroneuro.2011.09.009. Epub 2011 Nov 17.

Does the presence of an open-label antidepressant treatment period influence study outcome in clinical trials examining augmentation/combination strategies in treatment partial responders/nonresponders with major depressive disorder?

Iovieno N, Papakostas GI.

J Clin Psychiatry. 2012 May;73(5):676-83. doi: 10.4088/JCP.11r06978. Epub 2012 Apr 3. Review.