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Sponseller PD, Sethi N, Cameron DE, Pyeritz RE.Sponseller PD, et al.Spine (Phila Pa 1976). 1997 Mar 1;22(5):509-16. doi: 10.1097/00007632-199703010-00008.Spine (Phila Pa 1976). 1997.PMID: 9076882
Sponseller PD, Cass JR.Sponseller PD, et al.Spine (Phila Pa 1976). 1997 Feb 1;22(3):344-7. doi: 10.1097/00007632-199702010-00020.Spine (Phila Pa 1976). 1997.PMID: 9051897