title: Therapeutic considerations in spondyloarthritis patients who fail tumour necrosis factor antagonists.
authors.affiliation: Division of Allergy, Immunology and Rheumatology, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY 14642, USA. christopher_ritchlin@urmc.rochester.edu
authors.forename: C T
authors.initials: CT
authors.lastname: Ritchlin
mesh_terms: D015535:Arthritis, Psoriatic / Q000188:drug therapy; D006801:Humans; D025241:Spondylarthritis / Q000188:drug therapy*; D013167:Spondylitis, Ankylosing / Q000188:drug therapy; D017211:Treatment Failure; D014409:Tumor Necrosis Factor-alpha / Q000037:antagonists & inhibitors*
chemical_list: D014409:Tumor Necrosis Factor-alpha