Fehnel SE, Forsyth BH, DiBenedetti DB, Danchenko N, Francios C, Brevig T. Patient-centered assessment of cognitive symptoms of depression. CNS Spectr. 2016 Feb;21(1):43-52. doi: 10.1017/S1092852913000643
Wilson MR, Van Houtven CH, Stearns S, Clipp EC. Depression and missed work among informal caregivers of older individuals with dementia. J Fam Econ Issues. 2007;28(4):684-98.