Multimorbidity phenotypes in ankylosing spondylitis and their association with disease activity and functional impairment: Data from the prospective study of outcomes in ankylosing spondylitis cohort.
Karmacharya P, Crowson CS, Lennon RJ, Poudel D, Davis JM, Ogdie A, Liew JW, Ward MM, Ishimori M, Weisman MH, Brown MA, Rahbar MH, Hwang MC, Reveille JD, Gensler LS
