@article{Chou2007,
author = {Kee-Lee Chou},
title = {Combined effect of vision and hearing impairment on depression in older adults: evidence from the English Longitudinal Study of Ageing},
journal = {Journal of Affective Disorders},
year = {2007},
month = {Jun},
volume = {106},
number = {1-2},
pages = {191-196},
url = {http://www.ncbi.nlm.nih.gov/pubmed/17602753},
}