Reduced Cerebrospinal Fluid Levels of Brain-Derived Neurotrophic Factor Is Associated With Cognitive Impairment in Late-Life Major Depression - Diniz, Breno S.; Teixeira, Antonio L.; Machado-Vieira, Rodrigo; Talib, Leda L.; Radanovic, Marcia; Gattaz, Wagner F.; Forlenza, Orestes V. (Journals of gerontology - Series B - Psychological sciences and social sciences, 2014)