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Kato, Fumihiko, Yasutsugu Yukawa, Kota Suda, Masatsune Yamagata, und Takayoshi Ueta. Normal Morphology, Age-related Changes and Abnormal Findings of the Cervical Spine. Part II: Magnetic Resonance Imaging of Over 1,200 Asymptomatic Subjects. Springer-Verlag, 2012.

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