Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ORCHARD TJ.,Prevalence of complications in IDDM by sex and duration. Pittsburgh Epidemiology of Diabetes Complications Study II,Diabetes,,,1990,39,,1116-1124,https://cir.nii.ac.jp/crid/1571698601117927552,https://doi.org/10.2337/diabetes.39.9.1116