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Zbinden, Astrid; van den Brandt, Stephanie; Østensen, Monika; Villiger, Peter; Förger, Frauke (2018). Risk for adverse pregnancy outcome in axial spondyloarthritis and rheumatoid arthritis: disease activity matters. Rheumatology, 57(7), pp. 1235-1242. Oxford University Press 10.1093/rheumatology/key053