Hult, L. (1954). Cervical, Dorsal and Lumbar Spinal Syndromes: Ada Orthopaed. Scand. Suppl. no. XVII, 102 pages, Ejnar Mnnksgaard, Copenhagen 1954. Acta Orthopaedica, 24(1-4), 174–175. https://doi.org/10.3109/17453675408988560