Letters
β blockers and mortality in COPD
Author’s reply to Wolstenholme and Sanfilippo and colleagues
BMJ 2014; 348 doi: https://doi.org/10.1136/bmj.g1132 (Published 29 January 2014) Cite this as: BMJ 2014;348:g1132Article usage
Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.