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Schmidt D, Hetzel A, Reinhard M, Auw-Haedrich C.Schmidt D, et al. Among authors: hetzel a.Eur J Med Res. 2003 Jan 28;8(1):1-7.Eur J Med Res. 2003.PMID: 12578748
Reinhard M, Schmidt D, Hetzel A.Reinhard M, et al. Among authors: hetzel a.Rheumatol Int. 2004 Nov;24(6):340-6. doi: 10.1007/s00296-003-0372-6. Epub 2003 Nov 5.Rheumatol Int. 2004.PMID: 14600785
Bley TA, Reinhard M, Hauenstein C, Markl M, Warnatz K, Hetzel A, Uhl M, Vaith P, Langer M.Bley TA, et al. Among authors: hetzel a.Arthritis Rheum. 2008 Aug;58(8):2574-8. doi: 10.1002/art.23699.Arthritis Rheum. 2008.PMID: 18668559Free article.
Reinhard M, Schmidt D, Schumacher M, Hetzel A.Reinhard M, et al. Among authors: hetzel a.J Neurol. 2003 Aug;250(8):1006-9. doi: 10.1007/s00415-003-1155-4.J Neurol. 2003.PMID: 12928927No abstract available.
Reinhard M, Hetzel A, Lauk M, Lücking CH.Reinhard M, et al. Among authors: hetzel a.Neurol Res. 2001 Jan;23(1):55-63. doi: 10.1179/016164101101198299.Neurol Res. 2001.PMID: 11210431
Schmidt D, Hetzel A, Geibel-Zehender A.Schmidt D, et al. Among authors: hetzel a.Eur J Med Res. 2005 Jul 29;10(7):296-304.Eur J Med Res. 2005.PMID: 16055401Review.
Schmidt D, Hetzel A, Geibel-Zehender A, Schulte-Mönting J.Schmidt D, et al. Among authors: hetzel a.Eur J Med Res. 2007 Dec 14;12(12):595-603.Eur J Med Res. 2007.PMID: 18024271
Reinhard M, Schmidt WA, Hetzel A, Bley TA.Reinhard M, et al. Among authors: hetzel a.Z Rheumatol. 2009 Mar;68(2):108-16. doi: 10.1007/s00393-008-0375-5.Z Rheumatol. 2009.PMID: 19153753Review.German.