@unpublished{Disney2003,
author = {Richard Disney and Carl Emmerson and Matthew Wakefield},
title = {Ill health and retirement in Britain: a panel data based analysis},
year = {2003},
month = {Feb},
volume = {pp},
doi = {10.1920/wp.ifs.2003.0302},
issn = {1742-0415},
url = {http://www.ifs.org.uk/wps/wp0302.pdf},
}