title: Switching anti-TNF therapy in ankylosing spondylitis.
authors.forename: D J
authors.initials: DJ
authors.lastname: Pradeep
authors.forename: A C
authors.initials: AC
authors.lastname: Keat
authors.forename: K
authors.initials: K
authors.lastname: Gaffney
authors.forename: A
authors.initials: A
authors.lastname: Brooksby
authors.forename: J
authors.initials: J
authors.lastname: Leeder
authors.forename: C
authors.initials: C
authors.lastname: Harris
mesh_terms: D000328:Adult; D018501:Antirheumatic Agents / Q000627:therapeutic use*; D004334:Drug Administration Schedule; D005260:Female; D006801:Humans; D007167:Immunotherapy / Q000379:methods*; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D013167:Spondylitis, Ankylosing / Q000188:drug therapy*; D014409:Tumor Necrosis Factor-alpha / Q000037:antagonists & inhibitors*
chemical_list: D018501:Antirheumatic Agents; D014409:Tumor Necrosis Factor-alpha