Bücher von Persson

The last twenty years have witnessed enormous efforts by the pharmaceutical industry in the search for new drugs for the treatment of asthma.

Epidemiological studies of Chronic Bronchitis/ Chronic Obstructive Airway Disease (CB/COAD) have demonstrated that hypersecretory glandular activity, as weIl as infections, are not the most important risk factors determining the serious decline in lung function in this disease.