Primary Osteoarthritis No Longer Primary: Three Subsets with Distinct Etiological, Clinical, and Therapeutic Characteristics
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The authors declare they have no conflict of interests to disclose.
Gabriel Herrero-Beaumont was supported by research grants from the Spanish Ministry of Education (SAF2006/2704).
PII: S0049-0172(09)00036-5
doi:10.1016/j.semarthrit.2009.03.006
© 2009 Elsevier Inc. All rights reserved.
