Boukobza, Monique, Jurgita Ušinskienė, and Simona Letautienė. 2013. “Case Report of Ervical Myelopathy Due to Ossification of the Posterior Longitudinal Ligament in Association With Flavum Ligament Ossification: MRI and CT Appearance”. Acta Medica Lituanica 20 (2): 79-83. https://doi.org/10.6001/actamedica.v20i2.2696.