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Schäfer T, Vieluf D, Behrendt H, Krämer U, Ring J.Schäfer T, et al. Among authors: ring j.Allergy. 1996 Aug;51(8):532-9. doi: 10.1111/j.1398-9995.1996.tb04665.x.Allergy. 1996.PMID: 8874656
Möhrenschlager M, Haberl VM, Krämer U, Behrendt H, Ring J.Möhrenschlager M, et al. Among authors: ring j.Pediatr Allergy Immunol. 2007 Feb;18(1):5-9. doi: 10.1111/j.1399-3038.2006.00485.x.Pediatr Allergy Immunol. 2007.PMID: 17295793
Darsow U, Vieluf D, Ring J.Darsow U, et al. Among authors: ring j.J Allergy Clin Immunol. 1995 Mar;95(3):677-84. doi: 10.1016/s0091-6749(95)70172-9.J Allergy Clin Immunol. 1995.PMID: 7897150
Schäfer T, Przybilla B, Ring J, Kunz B, Greif A, Uberla K.Schäfer T, et al. Among authors: ring j.Allergy. 1993 May;48(4):291-4. doi: 10.1111/j.1398-9995.1993.tb00731.x.Allergy. 1993.PMID: 8328665
Schäfer T, Dirschedl P, Kunz B, Ring J, Uberla K.Schäfer T, et al. Among authors: ring j.J Am Acad Dermatol. 1997 Apr;36(4):550-6. doi: 10.1016/s0190-9622(97)70242-1.J Am Acad Dermatol. 1997.PMID: 9092740
Schäfer T, Ring J.Schäfer T, et al. Among authors: ring j.Allergy. 1997;52(38 Suppl):14-22; discussion 35-6. doi: 10.1111/j.1398-9995.1997.tb04864.x.Allergy. 1997.PMID: 9208054Review.