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. 2015 Nov 23;4:10.3402/jev.v4.28414. doi: 10.3402/jev.v4.28414

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© 2015 Andrea Piccin et al.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License, permitting all non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 5 — MP numbers and percentages.