1. Distribution of immunity to pertussis in the population of England and Wales;Fine, P.E.M.; Clarkson, J.D.;J Hyg (Camb),1984
2. The natural history of pulmonary collapse in childhood. QJ';James, U.; Brimblecombe, F.S.W.; Weston Wells, J.;Med,1956
3. Respiratory morbidity and lung function after whooping cough;Johnston, I.D.A.; Lambert, H.P.; Anderson, H.R.; Patel, S.;Lancet,1983
4. Swansea Research Unit of the Royal College of General Practitioners. Respiratory sequelae of whooping cough;BrMedJ,1985
5. The 1946 British birth cohort: an account of the origins, progess and results of the National Survey of Health and Development;Atkins, E.; Cherry, N.; Douglas, J.W.B.; Kieman, K.E.; Wadsworth, M.E.J.,1981