. . . . . . . "[It is possible to apply a simple and reliable method for the detection of circulating tumor cells based on cytokeratin-20 and prostate stem cell antigen RT-PCR assays in gastrointestinal cancers.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2009-03-31"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:18:35+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .