James A Ulibarri

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STUDY DESIGN Retrospective radiographic/imaging study. OBJECTIVE The purpose of this study was to analyze the association between lumbar facet fluid on MRI and sagittal instability on flexion lumbar radiographs in patients with degenerative disease at L4-L5. We hypothesized that the amount of facet fluid on MRI correlates with instability on the flexion(More)
STUDY DESIGN A biomechanical comparison of a novel spondylolysis repair technique method to established spondylolysis repair constructs accompanied by a case series of 5 adolescent patients with spondylolysis treated with this technique. OBJECTIVES To provide retrospective data on these patients treated with an intralaminar link construct, as well as(More)
Nitric oxide (NO) is an inter- and intracellular messenger involved in a variety of physiologic and pathophysiologic conditions. The effect of two NO donors, sodium nitroprusside (SNP) and S-nitroso-N-acetylpenicillamine (SNAP) and their effect on myoblast proliferation was examined. Both donors stimulated an increase in myoblast cell number over a range(More)
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