Important research questions in allergy and related diseases: nonallergic rhinitis: a GA2LEN paper

Citation:

Bousquet J, Fokkens W, Burney P, Durham SR, Bachert C, Akdis CA, Canonica GW, Dahlen SE, Zuberbier T, Bieber T, et al. Important research questions in allergy and related diseases: nonallergic rhinitis: a GA2LEN paper. Allergy. 2008;63:842-53.