RT Journal Article SR Electronic T1 The Role of Tiotropium in the Hospital Management of Exacerbation of Chronic Obstructive Pulmonary Disease JF Respiratory Care FD American Association for Respiratory Care SP 1657 OP 1659 VO 53 IS 12 A1 Donald P Tashkin YR 2008 UL http://rc.rcjournal.com/content/53/12/1657.abstract AB