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International Journal of Rheumatology
Volume 2013, Article ID 548502, 6 pages
http://dx.doi.org/10.1155/2013/548502
Clinical Study

Validation of a Prediction Rule for the Diagnosis of Rheumatoid Arthritis in Patients with Recent Onset Undifferentiated Arthritis

Servicio de Clínica Médica, Hospital Italiano de Buenos Aires, Instituto Universitario Escuela de Medicina Hospital Italiano de Buenos Aires, and Fundacion Dr. Pedro M. Catoggio Para el Progreso de la Reumatología, Peron 4190, C1199ABB Buenos Aires, Argentina

Received 20 December 2012; Revised 4 February 2013; Accepted 5 February 2013

Academic Editor: Shinichi Kawai

Copyright © 2013 Zaida Bedran et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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