A M Presanis, R G Pebody, B J Paterson, B D M Tom, P J Birrell, A Charlett et al
Presanis A M, Pebody R G, Paterson B J, Tom B D M, Birrell P J, Charlett A et al.
Changes in severity of 2009 pandemic A/H1N1 influenza in England: a Bayesian evidence synthesis
BMJ 2011; 343 :d5408
doi:10.1136/bmj.d5408