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
cervical spine MRI intravertebral disc space postoperative mass C3-C4
cervical spine mri intravertebral disc space postoperative mass c3-c4