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. 2013 Dec 12;8(12):e82217. doi: 10.1371/journal.pone.0082217

Figure 4. Average neutralization antibody (NA) fractional dilutions induced by two or three to four vaccinations with inactivated BEF vaccine.

Figure 4

Black squares: two vaccinations, Grey circles: three to four vaccinations. Whiskers represent standard deviation for each group.