We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleMinimal clinically important improvement/difference (MCII/MCID) and patient acceptable symptom state (PASS): what do these concepts mean?AuthorsKvien, T. K; Heiberg, T.; Hagen, K. BPublicationAnnals of the Rheumatic Diseases, 2007, Vol 66, Issue Supplement, piii40ISSN0003-4967Publication typearticleDOI10.1136/ard.2007.079798