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. 2011 Mar 16;151(3):238–244. doi: 10.1016/j.vetmic.2011.03.008

Fig. 2.

Fig. 2

Neighbor-joining trees of the Greek strains, based on the S (a), E (b), M (c) and N (d) protein. The trees are rooted on the group 2 canine respiratory coronavirus (CRCoV). The numbers represent the percentage of replicate trees based on 1000 bootstrap replicates.