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Journals and Conferences
To assess the usefulness of cold air hyperventilation challenge for the diagnosis of bronchial asthma (B. a.) and chronic bronchitis (c. B.) we studied 25 children with B. a. and 11 children with c. B. between 7 and 14 years. After baseline pulmonary function studies in a whole-body-plethysmograph and spirometry cold air challenge was done by 3 minutes… (More)