Chronic dysphagia caused by Laryngo-vertebral Synostosis after anterior fusion for cervical spine trauma: a case report. - Okano, Ichiro; Omata, Joe; Hoshino, Yushi; Usui, Yuki; Toyone, Tomoaki; Inagaki, Katsunori (BMC Musculoskeletal Disorders, 2020)