scholarly journals 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

BMJ Open ◽  
2014 ◽  
Vol 4 (4) ◽  
pp. e004952 ◽  
Author(s):  
David Reeves ◽  
David A Springate ◽  
Darren M Ashcroft ◽  
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Tim Doran ◽  
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2009 ◽  
Vol 129 (11) ◽  
pp. 2604-2612 ◽  
Author(s):  
Yolanda B. Brauchli ◽  
Susan S. Jick ◽  
Montserrat Miret ◽  
Christoph R. Meier

2018 ◽  
Vol 19 (1) ◽  
Author(s):  
Marlene Bloechliger ◽  
Daphne Reinau ◽  
Julia Spoendlin ◽  
Shih-Chen Chang ◽  
Klaus Kuhlbusch ◽  
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