Alves Apóstolo, J.L. et al. 2018. Exploring a capacity to screen of the European Portuguese version of the 15-item Geriatric Depression Scale. Revista de Psicopatología y Psicología Clínica. 23, 2 (ago. 2018), 99–107. DOI:https://doi.org/10.5944/rppc.vol.23.num.2.2018.21050.