Hanly, J. G.; Urowitz, M. B.; Su, L.; Sanchez-Guerrero, J.; Bae, Sang Cheol; Gordon, C.; Wallace, D. J.; Isenberg, D.; Alarcon, G. S.; Merrill, J. T., et al.
ArticleIssue Date2008CitationArthritis and Rheumatism, v.59, no.5, pp 721 - 729PublisherJohn Wiley & Sons Inc.