Adam, D., D. Iftimie, G. Burduşa, and C. Moisescu. “Analysis of 30-Day Unplanned Readmissions After Degenerative Spinal Disease Surgery”. Romanian Neurosurgery, vol. 31, no. 1, Mar. 2017, pp. 59-65, https://journals.lapub.co.uk/index.php/roneurosurgery/article/view/971.