Low Back Pain and Sciatica

A multicenter, prospective, 2:1 randomized controlled trial by Vaccaro et al. (2008) compared OP-1 Putty with iliac crest autograft in patients with symptomatic degenerative spondylolisthesis and spinal stenosis treated with decompression without a device for posterolateral arthrodesis. Patients were followed at 6-weeks, and 3, 6, 9, 12, 24-months. ................
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