“Conservative treatment by halo vest for a 63-year-old male with traumatic spondylolisthesis of the second cervical Levine-Edwards type 2 (hangman’s fracture): A case report”, Indian J Case Reports, vol. 6, no. 9, pp. 540–544, Sep. 2020, doi: 10.32677/IJCR.2020.v06.i09.019.