. . . . . . . . . . . . "[A group of 20 subjects aged more than 35 with clinical and radiographic signs of severe periodontitis (cases) underwent the salivary genetic test to single out the alleles of the genes IL-1A and IL-1B, by the PCR technique.]. 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 . "2014-10-02T12:32:26+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .