Quillo-Olvera, Diego, et al. “Spinopelvic Parameters in Anterior Lumbar Interbody Fusion, the First Follow-Up Study of Three Years in Mexican Population”. International Journal of Innovative Research in Medical Science, vol. 4, no. 06, June 2019, p. 377 to 382, doi:10.23958/ijirms/vol04-i06/654.