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. 2015 Apr 27;15:68. doi: 10.1186/s12862-015-0336-y

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© Plomp et al.; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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CVA and PCA plots depicting shape variance of L1 vertebrae. a) CVA scatter-plot illustrating shape variation of healthy human, pathological human, P. troglodytes, P. pygmaeus vertebrae on CV1 and CV2 for L1 vertebrae b) PCA scatter-plot illustrating shape variance of healthy human, pathological human, P. troglodytes, P. pygmaeus vertebrae on PC1 and PC2 of L1 vertebrae. Deformation grids illustrate shape differences occurring on each PC.