magnetic resonance imaging of lumbar spine: mass of L1 vertebra with isointense T1 signal
magnetic resonance imaging of lumbar spine: mass of l1 vertebra with isointense t1 signal
magnetic resonance imaging of lumbar spine: mass of L1 vertebra with isointense T1 signal
magnetic resonance imaging of lumbar spine: mass of l1 vertebra with isointense t1 signal