00639nas a2200241   4500000000100000000000100001008004100002100001600043700002000059700001300079700001300092700001300105700002100118700001700139700001300156700001400169700001600183700001700199245014800216300001200364490000700376022001400383       2014                            d1 aK. Tsilidis1 aD. Capothanassi1 aN. Allen1 aE. Rizos1 aD. Lopez1 aK. van Veldhoven1 aC. Sacerdote1 aD. Ashby1 aP. Vineis1 aI. Tzoulaki1 aJ. Ioannidis00aMetformin does not affect cancer risk: a cohort study in the U.K. Clinical Practice Research Datalink analyzed like an intention-to-treat trial  a2522-320 v37  a0149-5992