631
Participants
Start Date
April 30, 1998
Primary Completion Date
June 30, 1999
Berodual® via Respimat®, high dose
Berodual® via Respimat®, low dose
Berodual® via MDI, high dose
Placebo Respimat®
Placebo MDI
Lead Sponsor
Boehringer Ingelheim
INDUSTRY