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JOURNAL.PONE.0113048
JOURNAL.PONE.0113048
http://dx.doi.org/10.1371/JOURNAL.PONE.0113048
Beta-blockers reduced the risk of mortality and exacerbation in patients with COPD: a meta-analysis of observational studies.
P356
Q34575920-4C12A3BB-B77C-4BFC-BBE5-747386DAAEC5
P356
JOURNAL.PONE.0113048
http://dx.doi.org/10.1371/JOURNAL.PONE.0113048