[Unilateral resection of the vertebral arch of the 5th lumbar vertebra to provide continual drainage of cerebrospinal fluid].
D004322:Drainage; D004427:Ear Diseases; D006801:Humans; D007427:Intracranial Pressure; D008159:Lumbar Vertebrae; D013131:Spine / Q000601:surgery*
EAR/diseases; INTRACRANIAL PRESSURE; SPINE/surgery