@article{Aiken2012,
author = {Aiken, Abigail R.  A and Angel, Jacqueline L. and Miles, Toni P.},
title= {Pregnancy as a Risk Factor for Ambulatory Limitation in Later Life},
year = {2012},
doi = {10.2105/ajph.2012.300791},
journal = {American Journal of Public Health},
volume = {102},
number = {12},
pages = {2330--2335},
}