Use of metformin in the setting of mild-to-moderate renal insufficiency.Lipska, Kasia J; Bailey, Clifford J; Inzucchi, Silvio EDiabetes care; 2011 Jun;34(6):1431-7. PMID: 21617112Robert Wood Johnson Clinical Scholars Program, Yale University School of Medicine, New Haven, Connecticut, USA.Category: General ReviewsLinks: PubMed ArticleJournal Article