x-ray of lumbosacral spine: calcification of disc space at L1-L2
x-ray of lumbosacral spine: calcification of disc space at l1-l2
x-ray of lumbosacral spine: calcification of disc space at L1-L2 (procedure)
x-ray of lumbosacral spine: calcification of disc space at l1-l2 (procedure)