Tiotropium and the risk of death in COPD.
Yoon K
YK
Loke
Sonal
S
Singh
Curt D
CD
Furberg
D001993:Bronchodilator Agents / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy*; D012602:Scopolamine Derivatives / Q000008:administration & dosage*
D001993:Bronchodilator Agents; D012602:Scopolamine Derivatives