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Original Research - Epidemiology/Health Services Research:

Yiling J. Cheng,
Edward W. Gregg,
Linda S. Geiss,
Giuseppina Imperatore,
Desmond E. Williams,
Xinzhi Zhang,
Ann L. Albright,
Catherine C. Cowie,
Ronald Klein,
and Jinan B. Saaddine

Association of A1C and Fasting Plasma Glucose Levels With Diabetic Retinopathy Prevalence in the U.S. Population: Implications for diabetes diagnostic thresholds Diabetes Care November 2009 32:2027-2032; doi:10.2337/dc09-0440

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