1. American Thoracic Society (1978) Statement by Snowbird workshop on standardization of spirometry. Am. Rev. Resp. Dis. 119, 831–837.
2. Ayres, S.M., Evans, R., Licht, D., Griesbach, J., Reimold, F., Ferrand, E.F. and Criscitiello, A. (1973) Health effects of exposure to high concentrations of automotive emissions. Arch. Environ. Health 27, 168–178.
3. Beck, G.J., Doyle, C.A. and Schachter, S.W. (1981) Smoking and lung function. Am. Rev. Resp. Dis. 123, 149–155.
4. Bener, A., Abdulrazzaq, Y.M., DeBuse, P. and Al-Mutawwa, J. (1994) Prevalence of asthma among Emirates school children. Eur. J. Epidemiol. 10, 271–278.
5. Bener, A., Gomes, J. and Hamouda, M.F.B. (1996) Hypertension among workers occupationally exposed to hydrocarbons and organic solvents. J. Environ. Sci. Health A 31(2), 291–303.