Postgraduate Course
Chairs: I. Annesi-Maesano (Villejuif, France), G. Viegi (Pisa, Italy)

Aims and design of respiratory health surveys J. Jaakkola (Helsinki, Finland)
Tools for research on respiratory health I. Annesi-Maesano (Villejuif, France)
Quality control R. Pistelli (Rome, Italy)
The contribution of evidence-based medicine A. Gulsvik (Bergen, Norway)
The principles of statistical analyses and scientific reports C. Melot (Brussels, Belgium)