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Objective To investigate the characteristics of epidemiological distribution of the ossification of the ligamentum flavum (OLF) in the thoracic spine including the incidence, segmental distribution, and shape. Methods Chest spiral computed tomography scans of 993 cases (male 506, female 487, mean age 60 years, range 5–102 years) who presented due to chest symptoms were analyzed with axial slices...
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