AJDRAJNR - American Journal of Neuroradiology

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FIG 1. Scanning electron micrograph of 200-µm -diameter CELPHERE beads. They are spherical and of accurately calibrated size. The bar represents 500 µm





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Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X