Hirokazu Fujiwara

Aging of the Cervical Spine in Healthy Volunteers

Eijiro Okada, Morio Matsumoto, Daisuke Ichihara et al. · Spine · 2009 · 226 citations

Medicine, Geriatric Medicine, Aging +16

Anterior Cervical Decompression and Fusion Accelerates Adjacent Segment Degeneration

Morio Matsumoto, Eijiro Okada, Daisuke Ichihara et al. · Spine · 2009 · 192 citations

Medicine, Orthopaedic Surgery, Radiology +17

Age-Related Changes of Thoracic and Cervical Intervertebral Discs in Asymptomatic Subjects

Morio Matsumoto, Eijiro Okada, Daisuke Ichihara et al. · Spine · 2010 · 114 citations

Medicine, Orthopedic Surgery, Radiology +17

Disc degeneration of cervical spine on MRI in patients with lumbar disc herniation: comparison study with asymptomatic volunteers

Eijiro Okada, Morio Matsumoto, Hirokazu Fujiwara et al. · European Spine Journal · 2010 · 86 citations · Full text

Medicine, Orthopaedic Surgery, Radiology +17

Does the sagittal alignment of the cervical spine have an impact on disk degeneration? Minimum 10-year follow-up of asymptomatic volunteers

Eijiro Okada, Morio Matsumoto, Daisuke Ichihara et al. · European Spine Journal · 2009 · 84 citations · Full text

Medicine, Orthopaedic Surgery, Orthopedic Surgery +15