. . . . . . . . . . . . "[Analysis of the frequency of genotypes and alleles of +49A/G CTLA4 gene polymorphism showed no statistically significant differences between the PV and PF patients and the controls.]. 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 . "2014-10-02T12:39:48+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .