title: Investigation of involved tissue in axial spondyloarthritis--what have we learnt from immunohistochemical studies?
authors.affiliation: Department of Rheumatology, Charité - Campus Benjamin Franklin, Hindenburgdamm 30, 12203 Berlin, Germany.
authors.forename: Denis
authors.initials: D
authors.lastname: Poddubnyy
authors.forename: Heiner
authors.initials: H
authors.lastname: Appel
authors.forename: Joachim
authors.initials: J
authors.lastname: Sieper
mesh_terms: D006621:Hip Joint / Q000473:pathology*; D006801:Humans; D007150:Immunohistochemistry; D007249:Inflammation; D012446:Sacroiliac Joint / Q000473:pathology*; D013131:Spine / Q000473:pathology*; D025241:Spondylarthritis / Q000473:pathology*