. . . . . . . "[However, using a K-ras codon 12 mutation selection assay, a codon 12 GGT --> GAT mutation was detected in one SCC, suggesting that activation of the K-ras proto-oncogene is both a rare and late event.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2017-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:17:54+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .