00497nas a2200205   4500000000100000000000100001008004100002100002000043700001800063700002400081700001400105700001800119700001600137700001000153700001200163245008400175300001200259490000600271022001400277       2015                            d1 aC. Christiansen1 aV. Ehrenstein1 aU. Heide-J\orgensen1 aS. Skovbo1 aH. N\orrelund1 aH. Sorensen1 aL. Li1 aS. Jick00aMetformin initiation and renal impairment: a cohort study in Denmark and the UK  ae0085310 v5  a2044-6055