@article{Piotrowski2021,
author = {Piotrowski, K.},
title= {How many parents regret having children and how it is linked to their personality and health: Two studies with national samples in Poland},
year = {2021},
doi = {10.1371/journal.pone.0254163},
volume = {16},
number = {7},
pages = {0254163},
}