title: Evaluation of multiple back pain operations.
mesh_terms: D000328:Adult; D000368:Aged; D001416:Back Pain / Q000209:etiology / Q000601:surgery*; D005260:Female; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000601:surgery; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000628:therapy; D012008:Recurrence; D012585:Sciatica / Q000601:surgery