title: Follow-up air studies on patients with ventriculo-atrial (V-A) shunts. Reference to the value of polytomography.
mesh_terms: D002552:Cerebral Ventricles; D014695:Cerebral Ventriculography; D002557:Cerebrospinal Fluid Shunts; D002648:Child; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D006849:Hydrocephalus / Q000134:cerebrospinal fluid / Q000000981:diagnostic imaging* / Q000601:surgery; D007427:Intracranial Pressure; D008297:Male; D000267:Tissue Adhesions; D014056:Tomography, X-Ray