magnetic resonance imaging of thoracic spine: loss of T12-L1 intervertebral disc space
magnetic resonance imaging of thoracic spine: loss of t12-l1 intervertebral disc space
magnetic resonance imaging of thoracic spine: loss of T12-L1 intervertebral disc space (procedure)
magnetic resonance imaging of thoracic spine: loss of t12-l1 intervertebral disc space (procedure)