@article{Choi2015,
author = {Choi, H. and Schoeni, R.F. and Langa, K.M. and Heisler, M.M.},
title= {Spouse and child availability for newly disabled older adults: Socioeconomic differences and potential role of residential proximity},
year = {2015},
doi = {10.1093/geronb/gbu015},
volume = {70},
number = {3},
pages = {462--469},
}