1. Hogg J. C. (1988) Normal and abnormal airway cell structure. In: Asthma: Basic Mechanisms and Clinical Management, pp. 1–9, Barnes P. J., Rodger I. W. and Thomson N. C. (eds), Academic Press, London
2. Chung, K. F. (1986) Role played by inflammation in the hyperreactivity of the airways in asthma. Thorax41: 657–662
3. National Heart, Lung and Blood Institute. International consensus report on diagnosis and management of asthma. Bethesda, MD: National Institutes of Health, 1992; (NIH publication No. 91-3091)
4. Barnes P. J. (1990) Effect of corticosteroids on airway hyperresponsiveness. Am. Rev. Respir. Dis137: S70-S76
5. Page, C. P. and Barnes P. J. (eds) (1991) Pharmacology of Asthma. Springer-Verlag, New York