Lippincott Williams & Wilkins

Grade 2- moderate degeneration (25 - 75% disc space narrowing, moderate spur formation, moderate eburnation, listhesis >3 mm, and no gas present) Grade 3- advanced degeneration (>75% disc space narrowing, large spur formation, marked eburnation, listhesis >5 mm, and the presence of gas) REFERENCES. 1. ................
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