Cite
MLA Citation
Yaa-Hui Dong et al.. “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.” BMJ open, vol. 7, no. 3, 2017, p. . http://access.bl.uk/ark:/81055/vdc_100137788245.0x000007