@article{Steptoe2012,
author = {Steptoe, A. and Breeze, E. and Banks, J. and Nazroo, J.},
title= {Cohort profile: The English Longitudinal Study of Ageing},
year = {2012},
doi = {10.1093/ije/dys168},
volume = {42},
number = {6},
pages = {1640--1648},
}