@article{doi:,
title = {Update: Influenza activity—united states, 2011-12 season and composition of the 2012-13 influenza vaccine},
journal = {JAMA},
volume = {308},
number = {9},
pages = {854-858},
year = {2012},
doi = {},
URL = { + http://dx.doi.org/},
eprint = {/data/Journals/JAMA/24832/jwr120130_854_858.pdf}
}