@article{Nishikido2022,
author = {Nishikido, M. and Cui, Q. and Esteve, A.},
title= {Partnership dynamics and the fertility gap between Sweden and Spain},
year = {2022},
doi = {10.1186/s41118-022-00170-w},
volume = {78},
number = {1},
pages = {26},
}