The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Although the last four decades have seen substantial progress in the understanding of the pathophysiology of asthma, the working clinician’s main tool in establishing the diagnosis of asthma is a good and accurate clinical history. In the older child, the history is complemented by pulmonary function tests, including measures of bronchial lability. After nearly three decades of increasing hospital...