x-ray of thoracic spine: bony ankylosis of apophyseal joints at T12-L1
x-ray of thoracic spine: bony ankylosis of apophyseal joints at t12-l1
x-ray of thoracic spine: bony ankylosis of apophyseal joints at T12-L1
x-ray of thoracic spine: bony ankylosis of apophyseal joints at t12-l1