1. Calcification in a cervical disc with anterior protrusion and dysphagia;Coventry,1970
2. Intermittent torticollis;Grissom;Del Med J,1988
3. Cervical intervertebral disc calcification in children;Hahn;Childs Nerv Syst,1987
4. Disc calcification in childhood;Hatfield,1987
5. Cervical disc calcification;Herring;J Pediatr Orthop,1988