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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, 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
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, 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.
Krämer U, Schäfer T, Behrendt H, Ring J.Krämer U, et al. Among authors: ring j.Br J Dermatol. 1998 Dec;139(6):1040-6. doi: 10.1046/j.1365-2133.1998.02561.x.Br J Dermatol. 1998.PMID: 9990368
Schäfer T, Krämer U, Dockery D, Vieluf D, Behrendt H, Ring J.Schäfer T, et al. Among authors: ring j.Allergy Asthma Proc. 1999 Jan-Feb;20(1):23-7. doi: 10.2500/108854199778681477.Allergy Asthma Proc. 1999.PMID: 10076706
Schäfer T, Heinrich J, Wjst M, Krause C, Adam H, Ring J, Wichmann HE.Schäfer T, et al. Among authors: ring j.Environ Res. 1999 Aug;81(2):151-8. doi: 10.1006/enrs.1999.3964.Environ Res. 1999.PMID: 10433847