Prevalence of diabetes, impaired fasting glucose, and impaired glucose tolerance in U.S. adults. The third National Health and Nutrition Examination Survey, 1988–1994 - Harris, M I; Flegal, K M; Cowie, C C; Ebehardt, M S; Goldsteein, D E; Little, R R; Woedmeyer, H M; Byrd-Holt, D D (Diabet Care, 1998)