RT Journal Article
SR Electronic
T1 β-blockers associated with reduced all-cause mortality in COPD
JF Evidence Based Medicine
JO Evid Based Med
FD BMJ Publishing Group Ltd
SP 31
OP 32
DO 10.1136/ebm.2011.100118
VO 17
IS 1
A1 Donald P Tashkin
YR 2012
UL http://ebm.bmj.com/content/17/1/31.abstract
AB