1. Workshop on Environmental and Occupational Asthma
2. Barnes PJ Rodgers IW Thomson NC. Asthma: Basic Mechanisms and Clinical Management 2nd ed. London: Academic Press 1992.
3. Becklake MR. Epidemiology: prevalence and determinants. In: Asthma in the Workplace (Bernstein IL Chan-Yeung M Malo J-L Bernstein DI eds). New York:Marcel Dekker 1993;29-59.
4. Burrows B Martinez FD Halonen M Barbee RA Cline MG. Association of asthma with serum IgE levels and skin
5. Bernstein IL Chan-Yeung M Malo JL Berstein DI eds. Asthma in the Workplace. New York:Marcel Dekker 1993.