@article{Umberson2006,
author = {Umberson, D. and Williams, K. and Powers, D.A. and Liu, H. and Needham, B.},
title= {You make me sick: Marital quality and health over the life course},
year = {2006},
doi = {10.1177/002214650604700101},
volume = {47},
number = {1},
pages = {1--16},
}