@article{Silverstein1994,
author = {Silverstein, M. and Bengtson, V.L.},
title= {Does intergenerational social support influence the psychological well-being of older parents? The contingencies of declining health and widowhood},
year = {1994},
doi = {10.1016/0277-9536(94)90427-8},
volume = {38},
number = {7},
pages = {943--957},
}