<style face="normal" font="default" size="100%">Preventing adverse cardiac events (PACE) in chronic obstructive pulmonary disease (COPD): Study protocol for a double-blind, placebo controlled, randomised controlled trial of bisoprolol in COPD</style>

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0<style face="normal" font="default" size="100%">Preventing adverse cardiac events (PACE) in chronic obstructive pulmonary disease (COPD): Study protocol for a double-blind, placebo controlled, randomised controlled trial of bisoprolol in COPD</style><style face="normal" font="default" size="100%">Preventing adverse cardiac events (PACE) in chronic obstructive pulmonary disease (COPD): Study protocol for a double-blind, placebo controlled, randomised controlled trial of bisoprolol in COPD</style>