@article{Pinquart2011,
author = {Pinquart, M. and Sörensen, S.},
title= {Spouses, adult children, and children-in-law as caregivers of older adults: A meta-analytic comparison},
year = {2011},
doi = {10.1037/a0021863},
volume = {26},
number = {1},
pages = {1--14},
}