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Yonenobu K, Ebara S, Fujiwara K, <i>et al.<\/i> Thoracic myelopathy secondary to ossification of the spinal ligament. J Neurosurg, <b>66<\/b>:511-518, 1987.","DOI":"10.3171\/jns.1987.66.4.0511"},{"key":"2","doi-asserted-by":"crossref","unstructured":"2. Okada K, Oka S, Tohge K, <i>et al.<\/i> Thoracic myelopathy caused by ossification of the ligamentum flavum. Clinicopathologic study and surgical treatment. Spine (Phila Pa 1976), <b>16<\/b>:280-287, 1991.","DOI":"10.1097\/00007632-199103000-00005"},{"key":"3","unstructured":"3. Sato T, Kokubun S, Tanaka Y, <i>et al.<\/i> Thoracic myelopathy in the Japanese:epidemiological and clinical observations on the cases in Miyagi Prefecture. Tohoku J Exp Med, <b>184<\/b>:1-11, 1998."},{"key":"4","doi-asserted-by":"crossref","unstructured":"4. Shiokawa K, Hanakita J, Suwa H, <i>et al.<\/i> Clinical analysis and prognostic study of ossified ligamentum flavum of the thoracic spine. 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Yu S, Wu D, Li F, <i>et al.<\/i> Surgical results and prognostic factors for thoracic myelopathy caused by ossification of ligamentum flavum:posterior surgery by laminectomy. Acta Neurochir (Wien), <b>155<\/b>:1169-1177, 2013."},{"key":"9","doi-asserted-by":"crossref","unstructured":"10. Zhao Y, Xue Y, Shi N, <i>et al.<\/i> The CT and intraoperative observation of pedicel-ossification tunnel in 151 cases of thoracic spinal stenosis from ossification of ligamentum flavum. Eur Spine J, <b>23<\/b>: 1325-1331, 2014.","DOI":"10.1007\/s00586-014-3261-7"},{"key":"10","doi-asserted-by":"crossref","unstructured":"11. Feng F, Sun C, Chen Z. A diagnostic study of thoracic myelopathy due to ossification of ligamentum flavum. Eur Spine J, <b>24<\/b>:947-954, 2015.","DOI":"10.1007\/s00586-015-3818-0"},{"key":"11","doi-asserted-by":"crossref","unstructured":"12. Kaneyama S, Doita M, Nishida K, <i>et al.<\/i> Thoracic myelopathy due to ossification of the yellow ligament in young baseball pitchers. 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Thoracic disk herniation manifesting as sciatica-like pain\u2014two case reports. Neurol Med Chir (Tokyo), <b>51<\/b>:67-71, 2011.","DOI":"10.2176\/nmc.51.67"},{"key":"16","unstructured":"22. Mori K, Kasahara T, Mimura T, <i>et al.<\/i> Prevalence, distribution, and morphology of thoracic ossification of the yellow ligament in Japanese:results of CT-based cross-sectional study. Spine (Phila Pa 1976), <b>38<\/b>:E1216-1222, 2014."},{"key":"17","unstructured":"23. Moon BJ, Kuh SU, Kim S, <i>et al.<\/i> Prevalence, distribution, and significance of incidental thoracic ossification of the ligamentum flavum in Korean patients with back or leg pain:MR-based cross sectional study. J Korean Neurosurg Soc, <b>58<\/b>: 112-118, 2015."},{"key":"18","unstructured":"24. Guo JJ, Luk KD, Karppinen J, <i>et al.<\/i> Prevalence, distribution, and morphology of ossification of the ligamentum flavum:a population study of one thousand seven hundred thirty-six magnetic resonance imaging scans. Spine (Phila Pa 1976), <b>35<\/b>: 51-56, 2010."},{"key":"19","doi-asserted-by":"crossref","unstructured":"25. Caesar RE, Kaplan GW. The incidence of the cremasteric reflex in normal boys. J Urol, <b>152<\/b>: 779-780, 1994.","DOI":"10.1016\/S0022-5347(17)32707-6"},{"key":"20","unstructured":"26. Schwarz GM, Hirtler L. The cremasteric reflex and its muscle-a paragon of ongoing scientific discussion: a systematic review. Clin Anat, <b>30<\/b>: 498-507, 2017."},{"key":"21","unstructured":"28. Tsukamoto N, Maeda T, Miura H, <i>et al.<\/i> Repetitive tensile stress to rat caudal vertebrae inducing cartilage formation in the spinal ligaments:a possible role of mechanical stress in the development of ossification of the spinal ligaments. J Neurosurg Spine, <b>5<\/b>:234-242, 2006."},{"key":"22","unstructured":"29. Laudner K, Lynall R, Williams JG, <i>et al.<\/i> Thoracolumbar range of motion in baseball pitchers and position players. 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