. . . . . . . . . . . . "[In patients with proliferative retinopathy, the frequency of the homozygous SDF-1 3'A genotype was significantly higher than in patients with non-proliferative retinopathy (10.9% of PDR vs. 0 of NPDR, P = 0.01).]. 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 . "2014-10-02T12:32:40+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .