BibTex format
@article{Li:2013:10.1016/j.coi.2013.07.005,
author = {Li, CK-F and Rappuoli, R and Xu, X-N},
doi = {10.1016/j.coi.2013.07.005},
journal = {CURRENT OPINION IN IMMUNOLOGY},
pages = {470--476},
title = {Correlates of protection against influenza infection in humans - on the path to a universal vaccine?},
url = {http://dx.doi.org/10.1016/j.coi.2013.07.005},
volume = {25},
year = {2013}
}