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VOLUME 279 (2004) PAGES 21617–21627
PAGE 21623:
Fig. 4B included two magnifications of the same image of Brn-3b-overexpressing cells rather than four independent images as stated in the figure legend. The revised Fig. 4B includes four representative images. An additional LTR1 image (left panel) has also been included to distinguish from 3b-as-1 (right panel). These corrections do not affect the interpretation of the results or the conclusions of this work.
