@article{Pica2013,
author = {Pica, N. and Palese, P.},
title= {Toward a universal influenza virus vaccine: Prospects and challenges},
year = {2013},
doi = {10.1146/annurev-med-120611-145115},
journal = {Annual Review of Medicine},
volume = {64},
number = {1},
pages = {189--202},
}