Poor Specificity of Fasting Plasma Glucose Cut-Off Values in Ruling Out Glucose Intolerance: The Complementary Usefulness of OGTT - Sainaghi, P P; Castello, L; Limoncini, A M; Bergamasco, L; Bartoli, E; Schianca, G P C (Experimental and Clinical Endocrinology & Diabetes, 2007)