postoperative magnetic resonance imaging of cervical spine: mass of C3-C4 intravertebral disc space
postoperative magnetic resonance imaging of cervical spine: mass of c3-c4 intravertebral disc space
C-spine MRI intravertebral disc space postoperative mass C3-C4
c-spine mri intravertebral disc space postoperative mass c3-c4