@article{Barclay2019,
author = {Barclay, K. and Kolk, M.},
title= {Parity and mortality: An examination of different explanatory mechanisms using data on biological and adoptive parents},
year = {2019},
doi = {10.1007/s10680-018-9469-1},
volume = {35},
number = {1},
pages = {63--85},
}