@article{Gale2012,
author = {Catharine Gale and Michael Allerhand and Ian Deary},
title = {Is there a bidirectional relationship between depressive symptoms and cognitive ability in older people? A prospective study using the English Longitudinal Study of Ageing},
journal = {Psychological Medicine},
year = {2012},
month = {Mar},
pages = {10},
doi = {10.1017/S0033291712000402.},
url = {http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=8687447},
}