title: Investigations into possible roentgenographic errors in stereotaxis.
mesh_terms: D001931:Brain Mapping; D014695:Cerebral Ventriculography; D005917:Globus Pallidus / Q000000981:diagnostic imaging; D006801:Humans; D010902:Pituitary Gland / Q000000981:diagnostic imaging; D013238:Stereotaxic Techniques; D013788:Thalamus / Q000000981:diagnostic imaging