20
Participants
Start Date
August 31, 2011
Primary Completion Date
October 31, 2011
Study Completion Date
October 31, 2011
Ambroxol hydrochloride (Mucopect®, 60 mg, Boehringer Ingelheim)
Hallym University, Kangnam Sacred Heart Hospital, Seoul
Hallym University Kangnam Sacred Heart Hospital
OTHER