@article{doi:10.1001/jama.2011.398,
author = {Hankinson AL and Bouchard C and Liu K},
title = {PHysical activity and weight gain over 20 years—reply},
journal = {JAMA},
volume = {305},
number = {13},
pages = {1297-1298},
year = {2011},
doi = {10.1001/jama.2011.398},
URL = { + http://dx.doi.org/10.1001/jama.2011.398},
eprint = {/data/Journals/JAMA/20323/jlt0406_1297a_1298.pdf}
}