. . . . . . . . . . . . "[HLA-DRB1, DRB3, DRB4, and DQB1 alleles were determined using polymerase chain reaction-based methods in 257 SSc patients (129 Japanese and 128 Caucasians) and 271 race-matched regional controls (138 Japanese and 133 Caucasians).]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2013-07-06"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2014-10-02T12:32:27+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .