title: The intravertebral vacuum sign.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D005740:Gases; D006801:Humans; D007403:Intervertebral Disc / Q000000981:diagnostic imaging*; D008159:Lumbar Vertebrae; D011859:Radiography; D013122:Spinal Diseases / Q000000981:diagnostic imaging*; D013904:Thoracic Vertebrae
chemical_list: D005740:Gases