. . . . . . . "[A second estrogen receptor, ER?, has been found to be expressed in 50% to 90% of ER?-negative breast cancers, and ER? expression in TNBCs has been shown to correlate with improved disease-free survival and good prognosis.]. 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 . "2017-10-17T13:12:31+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .