. . . . . . . . . . . . "[To further elucidate the factors affecting the serum levels of this important tumor marker, we measured PSA concentrations in serum and in aspiration biopsies (tissue PSA; T-PSA) from patients with prostatic disease and correlated the values to tumor stage, cytological grade, and DNA ploidy.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2016-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2016-05-13T12:43:38+02:00"^^ . . . . . . . . . . . "v4.0.0.0" . "v4.0.0" .