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Schnabel A, Csernok E, Isenberg DA, Mrowka C, Gross WL.Schnabel A, et al.Arthritis Rheum. 1995 May;38(5):633-7. doi: 10.1002/art.1780380509.Arthritis Rheum. 1995.PMID: 7748219
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Schnabel A, Reinhold-Keller E, Willmann V, Gross WL.Schnabel A, et al.Rheumatol Int. 1994;14(1):33-8. doi: 10.1007/BF00302669.Rheumatol Int. 1994.PMID: 7939138Clinical Trial.
Schnabel A, Gross WL.Schnabel A, et al.Internist (Berl). 1996 Aug;37(8):867-79.Internist (Berl). 1996.PMID: 8964680Review.German.No abstract available.