x-ray of cervical spine: bony ankylosis of posterior elements at C3-C4 level
x-ray of cervical spine: bony ankylosis of posterior elements at c3-c4 level
x-ray of cervical spine: bony ankylosis of posterior elements at C3-C4 level (procedure)
x-ray of cervical spine: bony ankylosis of posterior elements at c3-c4 level (procedure)