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.

1
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
2007
;
67
:
6872
–81.