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Can 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.
Reeves D, Springate DA, Ashcroft DM, Ryan R, Doran T, Morris R, Olier I, Kontopantelis E. Reeves D, et al. Among authors: springate da. BMJ Open. 2014 Apr 23;4(4):e004952. doi: 10.1136/bmjopen-2014-004952. BMJ Open. 2014. PMID: 24760353 Free PMC article.
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