P. D'accardi

Effect of ageing on peak expiratory flow variability and nocturnal exacerbations in bronchial asthma.

G. Bonsignore, A. Vignola, G. Cuttitta, 1997, The European respiratory journal.

Sputum metalloproteinase-9/tissue inhibitor of metalloproteinase-1 ratio correlates with airflow obstruction in asthma and chronic bronchitis.

J. Bousquet, P. Chanez, G. Bonsignore, 1998, American journal of respiratory and critical care medicine.