In the article on oncolytic and gene therapy using HYPR-Ad-IL4 in the July 15, 2007 issue of Cancer Research (1), there was an error in the size of the printing of Fig. 4 The corrected full page figure appears on the previous page. This correction does not change the content or conclusions of the figure.

Post DE, Sandberg EM, Kyle MM, Devi NS, Brat DJ, Xu Z, Tighiouart M, Van Meir EG. Targeted cancer gene therapy using a hypoxia inducible factor-dependent oncolytic adenovirus armed with interleukin-4.
Cancer Res