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Results of in situ fusion for isthmic spondylolisthesis.
Lenke LG, Bridwell KH, Bullis D, Betz RR, Baldus C, Schoenecker PL. Lenke LG, et al. Among authors: betz rr. J Spinal Disord. 1992 Dec;5(4):433-42. doi: 10.1097/00002517-199212000-00008. J Spinal Disord. 1992. PMID: 1490041
Juvenile idiopathic scoliosis followed to skeletal maturity.
Mannherz RE, Betz RR, Clancy M, Steel HH. Mannherz RE, et al. Among authors: betz rr. Spine (Phila Pa 1976). 1988 Oct;13(10):1087-90. doi: 10.1097/00007632-198810000-00003. Spine (Phila Pa 1976). 1988. PMID: 3206264
Semirigid instrumentation in the management of lumbar spinal conditions combined with circumferential fusion. A multicenter study.
Gertzbein SD, Betz R, Clements D, Errico T, Hammerberg K, Robbins S, Shepherd E, Weber A, Kerina M, Albin J, Wolk D, Ensor K. Gertzbein SD, et al. Among authors: betz r. Spine (Phila Pa 1976). 1996 Aug 15;21(16):1918-25; discussion 1925-6. doi: 10.1097/00007632-199608150-00018. Spine (Phila Pa 1976). 1996. PMID: 8875726 Clinical Trial.
797 results