Meigs JB, Williams K, Sullivan LM, Hunt KJ, Haffner SM, Stern MP, González Villalpando C, Perhanidis JS, Nathan DM, D'Agostino RB, D'Agostino RB, Wilson PW. Using metabolic syndrome traits for efficient detection of impaired glucose tolerance. Diabetes Care. 2004 Jun; 27(6):1417-26.