00639nas a2200205   4500000000100000000000100001008004100002100001400043700001700057700001600074700001200090700001300102700001400115700001300129700002100142245022000163300001200383490000600395022003200401       2014                            d1 aD. Reeves1 aD. Springate1 aD. Ashcroft1 aR. Ryan1 aT. Doran1 aR. Morris1 aI. Olier1 aE. Kontopantelis00aCan analyses of electronic patient records be independently and externally validated? The effect of statins on the mortality of patients with ischaemic heart disease: a cohort study with nested case-control analysis  ae0049520 v4  a2044-6055 (Print) 2044-6055