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. 2015 Jul 15;10(7):e0132550. doi: 10.1371/journal.pone.0132550

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© 2015 Smith, Codrea

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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Fig 6 — Close-up on the left premaxillary of (A) Barbatodon transylvanicus, (B) Sorex araneus and (C) Rattus norvegicus in lateral and occlusal views showing the red enamel on the anterior surface of the teeth. Analysis of the enamel of Barbatodon transylvanicus on the (D) anterior tip of I1 in (E) EDS analysis showing the (F) elemental composition of Calcium hydroxyapatite and a peak of about 7% (3% in atomic composition) of iron.