Disc degeneration. Its frequency and relationship to symptoms.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001416:Back Pain / Q000209:etiology; D002574:Cervical Vertebrae / Q000000981:diagnostic imaging; D005260:Female; D006798:Housing; D006801:Humans; D007403:Intervertebral Disc / Q000000981:diagnostic imaging*; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D008906:Mining; D009784:Occupational Diseases / Q000453:epidemiology; D010146:Pain / Q000209:etiology; D011859:Radiography; D012585:Sciatica / Q000209:etiology; D013122:Spinal Diseases / Q000150:complications / Q000453:epidemiology*