. . . . . . . . . . . . "[Lesions of genetic loci in esophageal cancer include the absence of mutations in ras genes in primary tumors, amplification and overexpression of the c-erbB gene, co-amplification of hst-1 and int-2 genes, mutations, and allelic loss of tumor suppressor genes, p53, Rb, APC, and MCC.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2014-02-25"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2014-10-02T12:38:13+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .