. . . . . . . . . . . . "[We examined 116 patients harbouring H. pylori (55 patients with chronic atrophic gastritis, 61 with duodenal ulcers) and 28 H. pylori-negative healthy controls for HLA-DQA1 genotypes.]. 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 . "2014-10-02T12:34:05+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .