x-ray of cervical spine: bony ankylosis of posterior elements at C7-T1 level
x-ray of cervical spine: bony ankylosis of posterior elements at c7-t1 level
x-ray of cervical spine: bony ankylosis of posterior elements at C7-T1 level (procedure)
x-ray of cervical spine: bony ankylosis of posterior elements at c7-t1 level (procedure)