. . . . . . . "[To investigate the frequency of PIK3CA mutations in the intraductal proliferative lesions of the breast, which are precursor lesions for invasive carcinoma, we analyzed 125 intraductal proliferative lesions and 108 invasive breast cancer tissues for PIK3CA mutations in this study.]. 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 . "2017-10-17T13:15:22+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .