@article{Kendig2007,
author = {Kendig, H. and Dykstra, P.A. and Gaalen, R.I. and Melkas, T.},
title= {Health of aging parents and childless individuals},
year = {2007},
doi = {10.1177/0192513X07303896},
volume = {28},
number = {11},
pages = {1457--1486},
}