Modic, M T Intervertebral disk: normal age-related changes in MR signal intensity. [electronic resource] - Radiology Nov 1990 - 332-3; discussion 333-4 p. digital Publication Type: Comment; Journal Article ISSN: 0033-8419 Standard No.: 10.1148/radiology.177.2.2217764 doi Subjects--Topical Terms: AdultAgingChildHumansIntervertebral Disc--anatomy & histologyMagnetic Resonance ImagingSpinal Diseases--diagnosis