@article{Hammerback_2012,
title={Evaluation of a Telephone-based Physical Activity Promotion Program for Disadvantaged Older Adults},
ISSN={1545-1151},
url={http://dx.doi.org/10.5888/pcd9.110071},
DOI={10.5888/pcd9.110071},
journal={Preventing Chronic Disease},
publisher={Centers for Disease Control and Prevention (CDC)},
author={Hammerback,
K and Felias-Christensen,
G and Phelan,
EA},
year={2012},
month=feb }