. . . . . . . . . . . . "[PSA-cancer density showed a significant correlation with pathological stage (r = 0.56), Gleason score (r = 0.53) and per cent of poorly differentiated cancer (r = 0.49, for all p < 0.001), and these correlations were significantly stronger than serum PSA level alone or PSA density (serum PSA divided by prostate volume; volume determined from tissue specimens) for all variables.]. 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 . "2014-10-02T12:40:15+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .