Lippincott Williams & Wilkins

Moderate: 33-66% disc space narrowing, moderate osteophyte formation, mild to moderate endplate sclerosis. Severe: >66% disc space narrowing, severe osteophyte formation, moderate to severe endplate sclerosis NR Ekman (2009) RCT ASD present when at least one of the following criteria met (the three radiographic criteria based on A-P and lateral ... ................
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