x-ray of cervical spine: bony ankylosis of posterior elements at C5-C6 level
x-ray of cervical spine: bony ankylosis of posterior elements at c5-c6 level
x-ray of cervical spine: bony ankylosis of posterior elements at C5-C6 level
x-ray of cervical spine: bony ankylosis of posterior elements at c5-c6 level