Effects of Antidepressant Treatment on Cognitive Performance in Elderly Subjects With Heart Failure and Comorbid Major Depression: An Exploratory Study - Alves, Tânia C. T. F.; Rays, Jairo; Telles, Renata M. S.; Fráguas Júnior, Renério; Wajngarten, Mauricio; Romano, Belkiss W.; Watanabe, Cintia; Busatto, Geraldo F. (Psychosomatics, 2007)