@article{obrien2004-15514410, author = {O'Brien, J. T. and Lloyd, A. and McKeith, I. and Gholkar, A. and Ferrier, N.}, title = {{A longitudinal study of hippocampal volume, cortisol levels, and cognition in older depressed subjects}}, journal = {The American journal of psychiatry}, year = {2004}, doi = {10.1176/appi.ajp.161.11.2081}, pmid = {15514410}, url = {https://doi.org/10.1176/appi.ajp.161.11.2081} }