@article{Spence2008,
author = {Spence, N.J.},
title= {The long-term consequences of childbearing: Physical and psychological well-being of mothers in later life},
year = {2008},
doi = {10.1177/0164027508322575},
journal = {Research on Aging},
volume = {30},
number = {6},
pages = {722‒751},
}