mri sacroiliac articulation. study of ankylosing spondyloarthritis patient

ankylosing arthritis autoimmune back body bone brain clinic disease doctor health hospital illness injury joint lordosis lumbosacral magnetic medical mri negative organs osteoarthritis pain patient pattern pelvis prescription protrusion radiation raiter reactive reiters research resonant results root sacroiliac sacrum scan sick snapshot spondylitis spondyloarthritis stenosis surgery tailbone technology therapy treatment vertebra xray