title: Sacroiliac joint biopsies in early sacroiliitis.
authors.forename: H
authors.initials: H
authors.lastname: Marzo-Ortega
authors.forename: P
authors.initials: P
authors.lastname: O'Connor
authors.forename: P
authors.initials: P
authors.lastname: Emery
authors.forename: D
authors.initials: D
authors.lastname: McGonagle
mesh_terms: D000328:Adult; D001706:Biopsy; D018450:Disease Progression; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D010000:Osteitis / Q000276:immunology / Q000473:pathology*; D012446:Sacroiliac Joint / Q000276:immunology / Q000473:pathology*; D013167:Spondylitis, Ankylosing / Q000276:immunology / Q000473:pathology