title: How to investigate and follow up undifferentiated peripheral inflammatory arthritis? 3e initiative 2008-2009: systematic reviews and clinical algorithm.
authors.affiliation: Division of Rheumatology, Department of Health Policy, Management, and Evaluation, University of Toronto, Ontario, Canada. claire.bombardier@utoronto.ca
authors.forename: Claire
authors.initials: C
authors.lastname: Bombardier
authors.forename: Désirée M
authors.initials: DM
authors.lastname: van der Heijde
mesh_terms: D000465:Algorithms; D001168:Arthritis / Q000175:diagnosis / Q000276:immunology* / Q000473:pathology* / Q000628:therapy; D006801:Humans; D012196:Review Literature as Topic; D012720:Severity of Illness Index