x-ray of cervical spine: bony ankylosis of apophyseal joints at C6-C7 level
x-ray of cervical spine: bony ankylosis of apophyseal joints at c6-c7 level
C-spine x-ray bony ankylosis of apophyseal joints at C6-C7 level
c-spine x-ray bony ankylosis of apophyseal joints at c6-c7 level