RT Journal Article
SR Electronic
T1 Tiotropium improved lung function more than ipratropium in chronic obstructive pulmonary disease
JF Evidence Based Medicine
JO Evid Based Med
FD BMJ Publishing Group Ltd
SP 169
OP 169
DO 10.1136/ebm.5.6.169
VO 5
IS 6
YR 2000
UL http://ebm.bmj.com/content/5/6/169.abstract
AB