Comment on

• Kras regulatory elements and exon 4A determine mutation specificity in lung cancer.

  To MD, Wong CE, Karnezis AN, Del Rosario R, Di Lauro R, Balmain A. To MD, et al. Nat Genet. 2008 Oct;40(10):1240-4. doi: 10.1038/ng.211. Epub 2008 Aug 31. Nat Genet. 2008. PMID: 18758463 Free PMC article.