1. Bloom, J.M., Halonen, M., Dunn, A.M., Pinnas, J.L. and Burrows, B. (1986): Pneumococcus-specific immunoglobulin E in cigarette smokers. -Clin. Allergy 16: 25?32.
2. Burrows, B., Kundson, R.J. and Lebowitz, M.D. (1977): The relationship of childhood respiratory illness to adult obstructive airway disease. - Am. Rev. Resp. Dis. 115: 751?760.
3. Fletcher, C.M., Peto, R., Tinker, C.M. and Speizer, F.E. (1976): The natural history of chronic bronchitis and emphysema. - Oxford University Press, London.
4. Fletcher, C. and Peto, R. (1977): The natural history of chronic airflow obstruction. - Br. Med. J. 1: 1645?1648.
5. Gold, D.R., Weiss, S.T., Tosteson, T.D., Tager, I.B. and Speizer, F.E. (1988): Acute lower respiratory illness in childhood as a predictor of pulmonary function. -Am. Rev. Resp. Dis. 137, part 4 suppl. 405.