@article{Kohout1993,
author = {Kohout, F.J. and Berkman, L.F. and Evans, D.A. and Cornoni-Huntley, J.},
title= {Two shorter forms of the CES-D (Center for Epidemiological Studies Depression) depression symptoms index},
year = {1993},
doi = {10.1177/089826439300500202},
journal = {Journal of Aging and Health },
volume = {5},
number = {2},
pages = {179−193},
}