Yilmaz Murat, Ikizoglu Ersin, Arslan Mert, R. Erbayraktar Serhat, Yucesoy Kemal, Adjacent Segment Disease Associated with Klippel-Feil Syndrome: A New Classification System with Corresponding Therapeutic Options, Journal of Current Scientific Research, Volume 1, Issue 2, 2021, Pages 1-10, ISSN 2766-8681, https://doi.org/10.14302/issn.2766-8681.jcsr-21-3783. (https://openaccesspub.orgjcsr/article/1626) Keywords: Klippel-Feil Syndrome; spinal fusion; adjacent segment disease; classification; treatment.