x-ray of cervical spine: bony ankylosis of vertebral bodies C1 and C2
x-ray of cervical spine: bony ankylosis of vertebral bodies c1 and c2
x-ray of cervical spine: bony ankylosis of vertebral bodies C1 and C2 (procedure)
x-ray of cervical spine: bony ankylosis of vertebral bodies c1 and c2 (procedure)