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30. Kiltz U, van der Heijde D, Boonen A, Akkoc N, Bautista-Molano W, Burgos Vargas R, Chen-Chung J, Chiowchanwisawakit P, Dougados M, Duruoz B, Zorkany EI, Gaudukova I, Gensler L, Gilio M, Grazio S, Gu J, Inman R, Kim T, Navarro-Compán V, Marzo-Ortega H, Ozgocmen S, Pimentel dos Santos F, Schirmer M, Stebbings S, van den Bosch F, van Tubergen A, Braun J. Measurement properties of the ASAS health index: results of a multicenter international study in 23 countries (Submitted)
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