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. 2013 Sep 4;6(3):176–183. doi: 10.3342/ceo.2013.6.3.176

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Copyright © 2013 by Korean Society of Otorhinolaryngology-Head and Neck Surgery.

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 3 — Tumor homing capabilities of HB1.F3-CD (F3-CD) cells (Prussian blue staining, ×40). F3-CDs were labeled with Feridex and injected into the tail vein (A), subcutaneously 1.5 cm from the tumor injection site (B), or at the tumor center (C) on 7 day after tumor cell inoculation. Mice were sacrificed on day 14, and Prussian blue staining was performed. F3-CDs were found primarily at the tumor border (white arrowheads). F3-CDs were not observed in tissues from brain (D), heart (E), kidney (F), liver (H), or spleen (I). F3-CDs were observed in lung tissue (G, black arrowhead) at a very low frequency.