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https://t.co/zaPn5rAcYI Adjacent segment degeneration after intervertebral fusion surgery by means of cervical block vertebrae https://t.co/hAberoUzjz https://t.co/Sq34xicYQS
https://t.co/zaPn5rAcYI Adjacent segment degeneration after intervertebral fusion surgery by means of cervical block vertebrae https://t.co/hAberoUzjz https://t.co/Sq34xicYQS