Endoscopic Endonasal Odontoidectomy in Pediatric Patients with Complex Cervicomedullary Junction Anomalies - Alalade, Andrew F.; Forbes, Jonathan; Ottenhausen, Malte; Ogando-Rivas, Elizabeth; Nair, Prakash; Kacker, Ashutosh; Anand, Vijay K.; Greenfield, Jeffrey; Schwartz, Theodore H. (Journal of Neurological Surgery Part B: Skull Base, 2018)