Transcranial direct current stimulation for the treatment of post-stroke depression in aphasic patients: a case series - Valiengo, Leandro; Casati, Roberta; Bolognini, Nadia; Lotufo, Paulo Andrade; Benseñor, Isabela M; Goulart, Alessandra Carvalho; Brunoni, André R (Neurocase, 2016)