P. J. Helms (Aberdeen, UK), I. Tsanakas (Vassilica-Thessaloniki, Greece)
Pertussis: waning immunity after vaccination in adults and recent increase of pertussis in infants
I. De Schutter, A. Malfroot, I. Dab, N. Hoebrekx, G. Muyldermans, D. Pierard (Brussels, Belgium)
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Has the sex ratio for prevalence of asthma and allergies changed over time?
M. Osman, H. J. Wassall, A. M. Devenny, T. K. Ninan, M. Omran, G. Russell (Aberdeen, United Kingdom)
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Parental farming protects children against atopy - longitudinal evidence involving skin-prick-tests
F. Horak Jr, M. Studnicka, C. Gartner, E. Tauber, A. Veiter, R. Urbanek, T. Frischer (Vienna, Salzburg, Korneuburg, Austria)
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Early life exposure to farming environment and indoor exposure to endotoxin are inversely related to asthma, hay fever and atopy in children
E. von Mutius, C. Braun-Fahrländer, W. Eder, M. Schreuer, M. Waser, S. Maisch, D. Carr, R. Schierl, D. Nowak, J. Riedler, ALEX Study Team (Munich, Germany; Basel, Switzerland; Salzburg, Austria)
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Presence of pets and development of specific IgE to inhalants
P. E. D. Eysink, P. J. E. Bindels, S. O. Stapel, R. C. Aalberse, E. Schadé (Amsterdam, The Netherlands)
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Poverty and preschool wheeze
C. E. Kuehni, M. Silverman (Berne, Switzerland; Leicester, United Kingdom)
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Flow limitation at 4 weeks is associated with increased bronchial hyperresponsiveness and reduced mid-expiratory flow at 12 years
S. W. Turner, S. Young, S. M. Stick, L. I. Landau, P. N. LeSouef (Perth, Australia)
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Role of the CFTR gene in determining chronic pulmonary diseases in the paediatric population
A. Bassotti, E. Moretti, A. Ambrosioni, D. Coviello, M. Seia, R. Padoan (Milano, Italy)
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