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. 2012 Oct 31;7(10):e48415. doi: 10.1371/journal.pone.0048415

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© 2012 Xu 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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Immunohistochemical staining of BSP in normal brain tissue (A, B, staining intensity score = 2), grade I pilocytic astrocytoma (C, staining intensity score = 3), grade II astrocytoma (D, staining intensity score = 3), grade II oligodendroglioma (E, staining intensity score = 3), grade III anaplastic oligodendroglioma (F, staining intensity score = 6) and grade III anaplastic astrocytoma (G, staining intensity score = 6) and grade IV (H, staining intensity score = 9) glioma tissue specimens.