Lung cancers with acquired resistance to EGFR inhibitors occasionally harbor BRAF gene mutations but lack mutations in KRAS, NRAS, or MEK1.
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Proc Natl Acad Sci U S A. 2012 Jul 31;109(31):E2127-33. doi: 10.1073/pnas.1203530109. Epub 2012 Jul 6.
Proc Natl Acad Sci U S A. 2012.
PMID: 22773810
Free PMC article.