magnetic resonance imaging of lumbar spine: loss of L3-L4 intervertebral disc space
magnetic resonance imaging of lumbar spine: loss of l3-l4 intervertebral disc space
magnetic resonance imaging of lumbar spine: loss of L3-L4 intervertebral disc space (procedure)
magnetic resonance imaging of lumbar spine: loss of l3-l4 intervertebral disc space (procedure)