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Robinson WP, van der Linden SM, Khan MA, Rentsch HU, Cats A, Russell A, Thomson G.Robinson WP, et al. Among authors: khan ma.Arthritis Rheum. 1989 Sep;32(9):1135-41. doi: 10.1002/anr.1780320912.Arthritis Rheum. 1989.PMID: 2789045
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Khan MA, van der Linden SM, Kushner I, Valkenburg HA, Cats A.Khan MA, et al.Arthritis Rheum. 1985 Jan;28(1):40-3. doi: 10.1002/art.1780280107.Arthritis Rheum. 1985.PMID: 3871329