Sources of disparity in incidence and prevalence studies of diabetic retinopathy: influence of selective survival on risk factor assessment.
D000328:Adult; D003920:Diabetes Mellitus / Q000401:mortality*; D003924:Diabetes Mellitus, Type 2 / Q000401:mortality*; D003930:Diabetic Retinopathy / Q000401:mortality*; D006801:Humans; D009765:Obesity; D012306:Risk