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Bolhaar ST, Tiemessen MM, Zuidmeer L, van Leeuwen A, Hoffmann-Sommergruber K, Bruijnzeel-Koomen CA, Taams LS, Knol EF, van Hoffen E, van Ree R, Knulst AC.Bolhaar ST, et al.Clin Exp Allergy. 2004 May;34(5):761-9. doi: 10.1111/j.1365-2222.2004.1939.x.Clin Exp Allergy. 2004.PMID: 15144469Clinical Trial.
Peeters KA, Koppelman SJ, van Hoffen E, van der Tas CW, den Hartog Jager CF, Penninks AH, Hefle SL, Bruijnzeel-Koomen CA, Knol EF, Knulst AC.Peeters KA, et al.Clin Exp Allergy. 2007 Jan;37(1):108-15. doi: 10.1111/j.1365-2222.2006.02628.x.Clin Exp Allergy. 2007.PMID: 17210048Clinical Trial.
Lam HY, van Hoffen E, Michelsen A, Guikers K, van der Tas CH, Bruijnzeel-Koomen CA, Knulst AC.Lam HY, et al.Clin Exp Allergy. 2008 Jun;38(6):995-1002. doi: 10.1111/j.1365-2222.2008.02968.x. Epub 2008 Apr 1.Clin Exp Allergy. 2008.PMID: 18384430