The Austrian Pneumological Society held its 33th Workshop on "Clinical respiration body structure" at Graz, November 1 st -3rd, 1990. Bronchial hyperresponsiveness has been recognized approximately so long as bronchial asthma bronchia Ie itself. over the last 20 years whereas exploring the inflammatory nature of bronchial asthma bronchiale now we have discovered much approximately measuring and editing this phenomenon. as a result of the functional relevance and as a result of the excessive competence of the authors we are hoping that the lectures and discussions we had at Graz will tell and luxuriate in the reader. i need to specific my deep gratitude to all of the authors for offering us with the manuscripts and graphs. ultimately i'm specifically thankful to Mrs. H. Weber for her secreterial paintings and to Mrs. magazine. A. Lahrmann-Ramharter for correcting the written model of the speeches and getting ready a manuscript that was once prepared for the click. Prim. Dr. Hartmut Zwick Contents Barnes P. : mobile and Biochemical elements of Airway Hyperresponsiveness. . . . . . . . . . 1 Hargreave F. E. : Airway Hyperresponsiveness and bronchial asthma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Ingram R. H. : Physiologic Correlates of elevated Airway Responsiveness . . . . . . . . . . . . . . . . 36 ok errebijn ok F. : Bronchial Provocation trying out in teenagers -Methods and scientific Relevance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . forty six Tattersfield A. E. : Bronchial Provocation checking out in Adults -Is There scientific Relevance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . sixty four Kummer F. : rules and methods in bronchial asthma remedy. . . . . . . . . . . . . . . . . . . . . . . . . .