postoperative magnetic resonance imaging of lumbar spine: mass of L1-L2 intervertebral disc space enhanced with gadolinium
postoperative magnetic resonance imaging of lumbar spine: mass of l1-l2 intervertebral disc space enhanced with gadolinium
L-spine MRI intervertebral postoperative mass L1-L2 enhanced with gadolinium
l-spine mri intervertebral postoperative mass l1-l2 enhanced with gadolinium