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Bonsell S, Pearsall AW 4th, Heitman RJ, Helms CA, Major NM, Speer KP.Bonsell S, et al. Among authors: speer kp.J Bone Joint Surg Br. 2000 Nov;82(8):1135-9. doi: 10.1302/0301-620x.82b8.10631.J Bone Joint Surg Br. 2000.PMID: 11132273