postoperative magnetic resonance imaging of cervical spine: mass of C6-C7 intravertebral disc space
postoperative magnetic resonance imaging of cervical spine: mass of c6-c7 intravertebral disc space
C-spine MRI intravertebral disc space postoperative mass C6-C7
c-spine mri intravertebral disc space postoperative mass c6-c7