22
Participants
Start Date
January 31, 2002
Primary Completion Date
January 31, 2011
Study Completion Date
January 31, 2011
iron sulphate
1 or 2 330 mg/daily iron sulphate oral tablets
antiH1-histamine, proton pump inhibitor
This is not an intervention of interest, but it is a selection criterion to define unexplained cough, as suggested by cough guidelines.
Respiratory Pathophysiology Clinic, ASO San Giovanni Battista, Turin
Regione Piemonte
OTHER
University of Turin, Italy
OTHER