00542nas a2200205   4500000000100000000000100001008004100002100001500043700001800058700001400076700001500090700001500105700001500120700001500135700001600150245013700166300001200303490000700315022001400322       2014                            d1 aW. Eppenga1 aA. Lalmohamed1 aA. Geerts1 aH. Derijks1 aM. Wensing1 aA. Egberts1 aP. De Smet1 aF. de Vries00aRisk of lactic acidosis or elevated lactate concentrations in metformin users with renal impairment: a population-based cohort study  a2218-240 v37  a0149-5992