. . . . . . . . . . . . "[To investigate which factors might protect against the development of retinopathy 40 insulin-dependent diabetics who had remained free from retinopathy despite diabetes of long duration (mean+/-1 SD 30+/-10 years) were compared with 40 patients who had background and 47 who had proliferative retinopathy (mean durations of disease 16+/-5 and 19+/-5 years respectively).]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2016-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2016-05-13T12:51:38+02:00"^^ . . . . . . . . . . . "v4.0.0.0" . "v4.0.0" .