In this article (Clin Cancer Res 2009;15:6724–31), which was published in the November 1, 2009 issue of Clinical Cancer Research (CCR; ref. 1), the authors used a figure that previously appeared in an article in the Journal of Oral and Maxillofacial Surgery (JOMS; ref. 2) and inadvertently neglected to provide attribution. The figure with a corrected credit line appears below. Certain portions of this article also appeared in the JOMS article. Although the emphasis in the CCR article was on in vitro and preclinical studies and the JOMS article emphasized on clinical applications, the duplicated material should have been identified and attribution given to the original source. The authors apologize for this lapse and any inconvenience it caused to the readers of CCR and JOMS.
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