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2
BMJOPEN-2014-007299
BMJOPEN-2014-007299
http://dx.doi.org/10.1136/BMJOPEN-2014-007299
Can analyses of electronic patient records be independently and externally validated? Study 2--the effect of β-adrenoceptor blocker therapy on cancer survival: a retrospective cohort study.
P356
Q35466477-E44F0F2D-BFA8-423D-887A-D6139051C26B
P356
BMJOPEN-2014-007299
http://dx.doi.org/10.1136/BMJOPEN-2014-007299