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. 2014 Feb 12;9(2):e88955. doi: 10.1371/journal.pone.0088955

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© 2014 Snell 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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Graph indicates relative proportion of HIF-1α positive tumours, and the proportion of which also show detectable staining for proline-hydroxylated HIF-1α. Numbers below represent numbers of cases with that particular staining pattern. Photomicrographs representative of cases showing different patterns of expression of proline-hydroxylated HIF-1α. Scale bar (bottom right) applies to all images.