Impact of environmental nitrogen pollution on pollen allergy: A scoping review, Verscheure, Paulien, Honnay Olivier, Speybroeck Niko, Daelemans Robin, Bruffaerts Nicolas, Devleesschauwer Brecht, Ceulemans Tobias, Van Gerven Laura, Aerts Raf, and Schrijvers Rik , Sci Total Environ, 2023 Jun 14, Volume 893, (2023)