Proceedings: Vertebral angiography in the diagnosis of brain-stem masses.
D001932:Brain Neoplasms / Q000000981:diagnostic imaging*; D001933:Brain Stem / Q000000981:diagnostic imaging*; D014695:Cerebral Ventriculography; D003388:Cranial Fossa, Posterior / Q000000981:diagnostic imaging; D006801:Humans; D014056:Tomography, X-Ray; D014711:Vertebral Artery / Q000000981:diagnostic imaging*