<p><a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0057522#pone-0057522-g004" target="_blank">Figure 4A and 4B</a> show representative images of H&E and Ki-67 stained tumor tissues, respectively, from the PBS treated group whereas <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0057522#pone-0057522-g004" target="_blank">Figure 4C and 4D</a> show images of H&E and Ki-67 staining of tumor tissue from the ACG44 treated group. All images were taken with 20× magnification. <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0057522#pone-0057522-g004" target="_blank">Figure 4E</a> is quantification of the Ki-67 positive proliferative nuclei shown in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0057522#pone-0057522-g004" target="_blank">Figures 4B and 4D</a>. <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0057522#pone-0057522-g004" target="_blank">Figure 4F</a> is a tumor image of Ki-67 staining from the ACG44 treated group, taken at 100 X to show gold accumulation (black spots) at a high magnification.</p
