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A Prospective 12-Year Study of Subsyndromal and Syndromal Depressive Symptoms in Unipolar Major Depressive DisordersLewis L. Judd, Martin B. Keller, William Coryell et al.|Archives of General Psychiatry|1998Cited by 778
Psychosocial Disability During the Long-term Course of Unipolar Major Depressive DisorderLewis L. Judd, Martin B. Keller, Hagop S. Akiskal et al.|Archives of General Psychiatry|2000Cited by 595
Major depressive disorder: A prospective study of residual subthreshold depressive symptoms as predictor of rapid relapseLewis L. Judd, Martin B. Keller, Hagop S. Akiskal et al.|Journal of Affective Disorders|1998Cited by 588
Psychosocial Disability in the Course of Bipolar I and II DisordersLewis L. Judd, Martin B. Keller, Hagop S. Akiskal et al.|Archives of General Psychiatry|2005Cited by 572