Okuyama, Koichiro, et al. “Posterior Lumbar Interbody Fusion: A Retrospective Study of Complications After Facet Joint Excision and Pedicle Screw Fixation in 148 Cases”. Acta Orthopaedica, vol. 70, no. 4, Jan. 1999, pp. 329-34, doi:10.3109/17453679908997819.