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Phylogeny of 18S gene of the feline Babesia isolate and related species. The phylogenetic tree was constructed by using the neighbor-joining program from a distance matrix corrected for nucleotide substitutions by the Kimura two-parameter model. Theileria parva was included as an outgroup. Evolutionary distances are to the scale shown. Bootstrap percentage values are given to the right of the tree nodes. GenBank accession numbers are shown.
