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Dahl R, Roberts G, de Blic J, Canonica GW, Kleine-Tebbe J, Nolte H, Lawton S, Nelson HS.Dahl R, et al. Among authors: nolte h.Allergy Asthma Proc. 2016 Mar-Apr;37(2):92-104. doi: 10.2500/aap.2016.37.3937. Epub 2016 Jan 21.Allergy Asthma Proc. 2016.PMID: 26802643Clinical Trial.