@article{Cossman2007,
author = {Cossman, J. and Cossman, R. and James, W. and Campbell, C. and Blanchard, T. and Cosby, A.},
title= {Persistent clusters of mortality in the United States},
year = {2007},
doi = {10.2105/AJPH.2006.093112},
volume = {97},
number = {12},
pages = {2148--2150},
}