@article{Ma_2014,
title={Persistence of Escherichia coli O157 and non-O157 strains in agricultural soils},
volume={490},
ISSN={0048-9697},
url={http://dx.doi.org/10.1016/j.scitotenv.2014.05.069},
DOI={10.1016/j.scitotenv.2014.05.069},
journal={Science of The Total Environment},
publisher={Elsevier BV},
author={Ma,
Jincai and Mark Ibekwe,
A. and Crowley,
David E. and Yang,
Ching-Hong},
year={2014},
month=aug,
pages={822–829} }