Roentgenographic examination of foramen transversarium of axis. Practical considerations.
D001368:Axis, Cervical Vertebra / Q000000981:diagnostic imaging*; D002533:Cerebral Angiography; D002574:Cervical Vertebrae / Q000000981:diagnostic imaging; D006801:Humans; D008722:Methods; D014711:Vertebral Artery / Q000033:anatomy & histology / Q000000981:diagnostic imaging*