. . . . . . . . . . . . "[In the Cleveland study of 100 relatives of 30 B27 positive AS probands, 9 relatives did not show radiologic abnormalities of the sacroiliac joints or the spine but had symptoms of chronic inflammatory back pain previously reported to be characteristic of AS.]. 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 . "2014-10-02T12:41:14+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .