PT - JOURNAL ARTICLE AU - Ronald L Castelino AU - Gregory Peterson TI - Prescribing of metformin based on estimated GFR rather than serum creatinine expands the eligible population and is likely safe AID - 10.1136/ebmed-2015-110351 DP - 2016 Apr 01 TA - Evidence Based Medicine PG - 68--68 VI - 21 IP - 2 4099 - http://ebm.bmj.com/content/21/2/68.short 4100 - http://ebm.bmj.com/content/21/2/68.full SO - Evid Based Med2016 Apr 01; 21