Glycemic thresholds for diabetes-specific retinopathy: implications for diagnostic criteria for diabetes.. Colagiuri, Stephen; Lee, Crystal M. Y.; Wong, Tien Y.; Balkau, Beverley; Shaw, Jonathan E.; Borch-Johnsen, Knut. Diabetes care. 2011; 145-150: p.145-150. doi:10.2337/dc10-1206Article