title: [Spinal instability (classification, diagnosis)].
mesh_terms: D000208:Acute Disease; D002908:Chronic Disease; D006801:Humans; D007796:Laminectomy; D010007:Osteochondritis / Q000175:diagnosis / Q000601:surgery; D013122:Spinal Diseases / Q000145:classification* / Q000175:diagnosis / Q000601:surgery
vernacular_title: K voprosu o nestabil'nosti pozvonochnika (klassifikatsiia, diagnostika).