@article{doi:10.1001/jama.2011.368,
author = {Bonner L},
title = {THe walk},
journal = {JAMA},
volume = {305},
number = {14},
pages = {1393},
year = {2011},
doi = {10.1001/jama.2011.368},
URL = { + http://dx.doi.org/10.1001/jama.2011.368},
eprint = {/data/Journals/JAMA/20324/jpo15001_1393_1393.pdf}
}