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. 2007 Jul 25;2(7):e652. doi: 10.1371/journal.pone.0000652

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Jean 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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Electron micrographs of negatively stained T40/IDE total digest showing spherical (A) annular (B, I–II) and beaded (C, III) protofibrils. The bar represents 10 nm.