- Correction of xeroderma pigmentosum complementation group D mutant cell phenotypes by chromosome and gene transfer: involvement of the human ERCC2 DNA repair gene. Flejter, W.L., McDaniel, L.D., Johns, D., Friedberg, E.C., Schultz, R.A. Proc. Natl. Acad. Sci. U.S.A. (1992)