@article{Portanti2009,
author = {Portanti, M. and Whitworth, S.},
title= {A comparison of the characteristics of childless women and mothers in the ONS Longitudinal Study},
year = {2009},
doi = {10.1057/pt.2009.15},
journal = {Population Trends},
volume = {136},
number = {1},
pages = {10--20},
}