title: Early stages of diabetes: definitions and present concepts.
mesh_terms: D000328:Adult; D003920:Diabetes Mellitus / Q000175:diagnosis / Q000503:physiopathology*; D003922:Diabetes Mellitus, Type 1 / Q000503:physiopathology; D005951:Glucose Tolerance Test; D006801:Humans; D008875:Middle Aged; D011236:Prediabetic State / Q000175:diagnosis / Q000503:physiopathology*