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Open Access Open Badges Research article

Patients with osteoarthritis and avascular necrosis have better functional outcomes and those with avascular necrosis worse pain outcomes compared to rheumatoid arthritis after primary hip arthroplasty: a cohort study

Jasvinder A Singh* and David G Lewallen

BMC Medicine 2013, 11:210  doi:10.1186/1741-7015-11-210

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