β-Blockers are associated with a reduction in COPD exacerbations
Surya P Bhatt, James M Wells, Gregory L Kinney, George R Washko, Matthew Budoff, Young-il Kim, William C Bailey, Hrudaya Nath, John E Hokanson, Edwin K Silverman, James Crapo, Mark T Dransfield
Thorax Jan 2016, 71 (1) 8-14; DOI: 10.1136/thoraxjnl-2015-207251