title: Protrusions of intervertebral discs; study of their distribution, characteristics and effects on the nervous system.
authors.forename: J C
authors.initials: JC
authors.lastname: HALEY
authors.forename: J H
authors.initials: JH
authors.lastname: PERRY
mesh_terms: D002492:Central Nervous System Depressants; D006801:Humans; D007403:Intervertebral Disc; D007405:Intervertebral Disc Displacement; D009420:Nervous System
chemical_list: D002492:Central Nervous System Depressants