. . . . . . . . . . . . "[Surface-localized protein antigens (alpha, beta, R1, and R4) serve as additional markers to classify GBS isolates, which is particularly useful since NT isolates often express one or more of these proteins.]. 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 . "2014-10-02T12:41:32+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .