10
Participants
Start Date
July 31, 2007
Primary Completion Date
July 31, 2009
Study Completion Date
July 31, 2009
levalbuterol
0.5 ml. levalbuterol
saline
0.5ml saline
levalbuterol MDI
breath actuated nebulizer
aerochamber max
ipratroprium
Lead Sponsor
Duke University
OTHER