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Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Robbins Pathologic Basis of Disease. Cotran, R.S., Kumar, V. & Robbins, S.L., 1989, 4th edition, W.B. Saunders Company, p.1318-9

Apley's System of Orthopaedics and Fractures. Apley, A.G. & Solomon, L., 1993, 7th edition, Butterworth-Heinemann, p.147

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