magnetic resonance imaging of lumbar spine: mass of left side of L4 vertebra with isointense signal intensity (S/I) ratio
magnetic resonance imaging of lumbar spine: mass of left side of l4 vertebra with isointense signal intensity (s/i) ratio
spine magnetic resonance imaging lumbar osseous mass SI ratio isointense L4 left side
spine magnetic resonance imaging lumbar osseous mass si ratio isointense l4 left side