A heterologous prime/boost immunisation strategy protects against virulent E. ruminantium Welgevonden needle challenge but not against tick challenge
Pretorius, A ; van Kleef, M ; Collins, N.E ; Tshikudo, N ; Louw, E ; Faber, F.E ; van Strijp, M.F ; Allsopp, B.A
Vaccine, 2008-08, Vol.26 (34), p.4363-4371 [Periódico revisado por pares]Oxford: Elsevier Ltd
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