magnetic resonance imaging of cervical spine: free fragment of C1-C2 intervertebral disc space
magnetic resonance imaging of cervical spine: free fragment of c1-c2 intervertebral disc space
magnetic resonance imaging of cervical spine: free fragment of C1-C2 intervertebral disc space (procedure)
magnetic resonance imaging of cervical spine: free fragment of c1-c2 intervertebral disc space (procedure)