. . . . . . . "[This study demonstrated that the IL-1 composite polymorphism occurred among only few subjects in the Xhosa population of South Africa, and so was not significantly associated with the severity of chronic periodontitis in this population.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2017-02-21"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:13:45+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .