x-ray of lumbosacral spine: bony ankylosis of vertebral bodies at L1 and L2
x-ray of lumbosacral spine: bony ankylosis of vertebral bodies at l1 and l2
x-ray of lumbosacral spine: bony ankylosis of vertebral bodies at L1 and L2
x-ray of lumbosacral spine: bony ankylosis of vertebral bodies at l1 and l2