magnetic resonance imaging of cervical spine: 'bone within a bone' appearance of C7 vertebra
magnetic resonance imaging of cervical spine: 'bone within a bone' appearance of c7 vertebra
magnetic resonance imaging of cervical spine: 'bone within a bone' appearance of C7 vertebra (procedure)
magnetic resonance imaging of cervical spine: 'bone within a bone' appearance of c7 vertebra (procedure)