Impaired fasting glucose and impaired glucose tolerance: implications for care.Nathan, David M; Davidson, Mayer B; DeFronzo, Ralph A; Heine, Robert J; Henry, Robert R; Pratley, Richard; Zinman, Bernard; , Diabetes care; 2007 Mar;30(3):753-9. PMID: 17327355Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA.Category: MetforminTags: prediabetesmetforminglycemic controllifestyle changesLinks: PubMed ArticleJournal Article