title: Peripheral arthritis in patients classified as having nonradiographic axial spondyloarthritis in trials of anti-tumor necrosis factor agents: comment on the article by Dougados et al.
authors.affiliation: Hannover Medical School, Hannover, Germany.
authors.forename: Henning
authors.initials: H
authors.lastname: Zeidler
mesh_terms: D005260:Female; D006801:Humans; D007074:Immunoglobulin G / Q000627:therapeutic use*; D007155:Immunologic Factors / Q000627:therapeutic use*; D008297:Male; D018124:Receptors, Tumor Necrosis Factor / Q000627:therapeutic use*; D025241:Spondylarthritis / Q000188:drug therapy*
chemical_list: D007074:Immunoglobulin G; D007155:Immunologic Factors; D018124:Receptors, Tumor Necrosis Factor