postoperative magnetic resonance imaging of lumbar spine: mass of L2-L3 intervertebral disc space
postoperative magnetic resonance imaging of lumbar spine: mass of l2-l3 intervertebral disc space
postoperative magnetic resonance imaging of lumbar spine: mass of L2-L3 intervertebral disc space (procedure)
postoperative magnetic resonance imaging of lumbar spine: mass of l2-l3 intervertebral disc space (procedure)