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BMJOPEN-2016-012997
BMJOPEN-2016-012997
http://dx.doi.org/10.1136/BMJOPEN-2016-012997
Evidence of potential bias in a comparison of β blockers and calcium channel blockers in patients with chronic obstructive pulmonary disease and acute coronary syndrome: results of a multinational study.
P356
Q33552609-C2F92A81-A4B3-491D-8EC8-A20975DFB28E
P356
BMJOPEN-2016-012997
http://dx.doi.org/10.1136/BMJOPEN-2016-012997