Kay‐Geert Hermann

The Assessment of SpondyloArthritis international Society (ASAS) handbook: a guide to assess spondyloarthritis

Joachim Sieper, Martín Rudwaleit, Xenofon Baraliakos et al. · Annals of the Rheumatic Diseases · 2009 · 1.6K citations

Defining active sacroiliitis on magnetic resonance imaging (MRI) for classification of axial spondyloarthritis: a consensual approach by the ASAS/OMERACT MRI group

Martín Rudwaleit, Anne Grethe Jurik, Kay‐Geert Hermann et al. · Annals of the Rheumatic Diseases · 2009 · 867 citations

Both structural damage and inflammation of the spine contribute to impairment of spinal mobility in patients with ankylosing spondylitis

Pedro Machado, R. Landewé, Kay‐Geert Hermann et al. · Annals of the Rheumatic Diseases · 2010 · 291 citations

MRI lesions in the sacroiliac joints of patients with spondyloarthritis: an update of definitions and validation by the ASAS MRI working group

Walter P. Maksymowych, R. Lambert, Mikkel Østergaard et al. · Annals of the Rheumatic Diseases · 2019 · 286 citations · Full text

Descriptions of spinal MRI lesions and definition of a positive MRI of the spine in axial spondyloarthritis: a consensual approach by the ASAS/OMERACT MRI study group

Kay‐Geert Hermann, Xenofon Baraliakos, Désirée van der Heijde et al. · Annals of the Rheumatic Diseases · 2012 · 256 citations