Pollen counts in relation to the prevalence of allergic rhinoconjunctivitis, asthma and atopic eczema in the International Study of Asthma and Allergies in Childhood (ISAAC). - Burr, M. L.; Emberlin, J. C.; Treu, R.; Cheng, S.; Pearce, N. E. (Clinical & Experimental Allergy, 2003)