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Jappe U, Raulf-Heimsoth M, Hoffmann M, Burow G, Hübsch-Müller C, Enk A.Jappe U, et al.Allergy. 2006 Oct;61(10):1220-9. doi: 10.1111/j.1398-9995.2006.01232.x.Allergy. 2006.PMID: 16942573
Sander I, Rozynek P, Rihs HP, van Kampen V, Chew FT, Lee WS, Kotschy-Lang N, Merget R, Brüning T, Raulf-Heimsoth M.Sander I, et al.Allergy. 2011 Sep;66(9):1208-15. doi: 10.1111/j.1398-9995.2011.02636.x. Epub 2011 May 10.Allergy. 2011.PMID: 21557753