MEDICAL SCIENCES Retraction for “Complete and persistent phenotypic correction of phenylketonuria in mice by site-specific genome integration of murine phenylalanine hydroxylase cDNA,” by Li Chen and Savio L. C. Woo, which appeared in issue 43, October 25, 2005, of Proc Natl Acad Sci USA (102:15581–15586; first published October 17, 2005; 10.1073/pnas.0503877102).
The undersigned author wishes to note the following: “After re-examining the laboratory records, I have concluded that there are data irregularities underlying this paper that warrant its retraction. I regret not recognizing these irregularities before the manuscript was published and apologize for any inconvenience this might have caused.”
Savio L. C. Woo