. . . . . . . . . . . . "[The major factor limiting the efficacy of breast cancer chemotherapy is multidrug resistance due to overexpression of the breast cancer resistance protein ATP-binding cassette, sub-family G (WHITE), member 2 (ABCG2).]. 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 . "2016-05-13T12:51:05+02:00"^^ . . . . . . . . . . . "v4.0.0.0" . "v4.0.0" .