scholarly journals Use of primary care electronic medical record database in drug efficacy research on cardiovascular outcomes: comparison of database and randomised controlled trial findings

BMJ ◽  
2009 ◽  
Vol 338 (jan27 1) ◽  
pp. b81-b81 ◽  
Author(s):  
R. L Tannen ◽  
M. G Weiner ◽  
D. Xie
2021 ◽  
Vol 44 (sup1) ◽  
pp. S28-S39
Author(s):  
John Shepherd ◽  
Karen Tu ◽  
Jacqueline Young ◽  
Jawad Chishtie ◽  
B. Catharine Craven ◽  
...  

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