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Spera PA, Arfors KE, Vasthare US, Tuma RF, Young WF.Spera PA, et al. Among authors: young wf.Spine (Phila Pa 1976). 1998 Nov 15;23(22):2444-8; discussion 2448-9. doi: 10.1097/00007632-199811150-00018.Spine (Phila Pa 1976). 1998.PMID: 9836360
Thompson MK, Tuma RF, Young WF.Thompson MK, et al. Among authors: young wf.J Assoc Acad Minor Phys. 1999;10(1):23-6.J Assoc Acad Minor Phys. 1999.PMID: 10826005