RT Journal Article
SR Electronic
T1 Review: anticholinergics but not β<sub>2 </sub>agonists reduce exacerbations requiring hospital admission and respiratory deaths in COPD
JF Evidence Based Medicine
JO Evid Based Med
FD BMJ Publishing Group Ltd
SP 13
OP 13
DO 10.1136/ebm.12.1.13
VO 12
IS 1
YR 2007
UL http://ebm.bmj.com/content/12/1/13.abstract
AB