. . . . . . . . . . . . "[Highly sensitive tools are required to identify biomarkers. The KRAS mutation status mostly was concordant between primary tumors and matched distant metastases. In a few patients, KRAS mutation status differed between different tumor sites.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2015-02-21"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2016-05-13T12:43:03+02:00"^^ . . . . . . . . . . . "v4.0.0.0" . "v4.0.0" .