magnetic resonance imaging of cervical spine: 'bone within a bone' appearance of C2 vertebra
magnetic resonance imaging of cervical spine: 'bone within a bone' appearance of c2 vertebra
magnetic resonance imaging of cervical spine: 'bone within a bone' appearance of C2 vertebra (procedure)
magnetic resonance imaging of cervical spine: 'bone within a bone' appearance of c2 vertebra (procedure)