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Gerth Van Wijk R, Van Toorenenbergen AW, Dieges PH.Gerth Van Wijk R, et al. Among authors: van toorenenbergen aw.Clin Allergy. 1987 Nov;17(6):515-21. doi: 10.1111/j.1365-2222.1987.tb02047.x.Clin Allergy. 1987.PMID: 2449301
van Wijk RG, Zijlstra FJ, van Toorenenbergen AW, Vermeulen A, Dieges PH.van Wijk RG, et al. Among authors: van toorenenbergen aw.Ann Allergy. 1992 Jul;69(1):43-7.Ann Allergy. 1992.PMID: 1626759Clinical Trial.
van Wijk RG, van Toorenenbergen AW, Zijlstra FJ, Jansen AP, Dieges PH.van Wijk RG, et al. Among authors: van toorenenbergen aw.Allergy Proc. 1993 Jul-Aug;14(4):273-81. doi: 10.2500/108854193778812026.Allergy Proc. 1993.PMID: 8224834