Hillis, G. S., Beasley, R., Dobler, C. C., Jenkins, C., Yang, I. A., Wrobel, J., . . . Galgey, S. 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. BMJ Publishing Group.
Chicago Style (17th ed.) CitationHillis, Graham S., et al. 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. BMJ Publishing Group.
MLA (9th ed.) CitationHillis, Graham S., et al. 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. BMJ Publishing Group.