. . . . . . . "[While more primary esophageal tumors remain to be screened for the mutations at the tyrosine kinase domain of EGFR, current observation implies that gefitinib may be worth further investigation for treatment of esophageal cancers.]. 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 . "2017-10-17T13:12:15+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .