[1]
Vestad, E. and Næs, B. 1977. Spondylolisthesis: Treatment by Excision of the Loose Lamina and Resection of the Pedicle. Acta Orthopaedica. 48, 5 (Jan. 1977), 472–478. DOI:https://doi.org/10.3109/17453677708989734.