@inbook{Steel2003,
author = {Steel, N. and Huppert, F. and McWilliams, B. and Melzer, D.},
title= {Physical and cognitive function},
year = {2003},
editor = {Marmot, M.},
editor = {Banks, J.},
editor = {Blundell, R.},
editor = {Lessof, C.},
editor = {Nazroo, J.},
booktitle = {Health, wealth and lifestyles of the older population in England: The 2002 English Longitudinal Study of Ageing},
address = {London},
publisher = {Institute for Fiscal Studies},
pages = {249--300},
}