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. 2011 Oct 13;6(10):e25604. doi: 10.1371/journal.pone.0025604

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Carpi et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Ordination of sites along the first two canonical axes and the environmental variables, represented by arrows are showed. AD: tick stage, TN: geographic region. Dots represent sites, i.e. 1: nymph ticks, TN region; 2: nymph ticks, BL region; 3: adult ticks, TN region; 4: adult ticks, BL region. Bacterial taxa were omitted for clarity.