Publication
Jun 2010
Vaccine. 2010 Apr 1;28(16):2903-7. doi: 10.1016/j.vaccine.2010.01.054. Epub 2010 Feb 11. PMID: 20153351.
2009, Dec
2009 Nov.
2009 Nov,17.
Euro Surveill. 2009;14(43):pii=19375. https://doi.org/10.2807/ese.14.43.19375-en
Euro Surveill. 2009;14(44):pii=19388.
Euro Surveill. 2008;13(43):pii=19015.
PLoS Med. 2008 Apr 15;5(4):e89. doi: 10.1371/journal.pmed.0050089. PMID: 18416600; PMCID: PMC2288622.