Valentin Sebastian Schäfer

Definitions and reliability assessment of elementary ultrasound lesions in giant cell arteritis: a study from the OMERACT Large Vessel Vasculitis Ultrasound Working Group

Stavros Chrysidis, Christina Duftner, Christian Dejaco et al. · RMD Open · 2018 · 225 citations · Full text

Ultrasound cut-off values for intima-media thickness of temporal, facial and axillary arteries in giant cell arteritis

Valentin Sebastian Schäfer, Aaron Juche, Sofía Ramiro et al. · Lara D. Veeken · 2017 · 206 citations · Full text

The provisional OMERACT ultrasonography score for giant cell arteritis

Christian Dejaco, Cristina Ponte, Sara Monti et al. · Annals of the Rheumatic Diseases · 2022 · 80 citations · Full text

Assessing Vasculitis in Giant Cell Arteritis by Ultrasound: Results of OMERACT Patient-based Reliability Exercises

Valentin Sebastian Schäfer, Stavros Chrysidis, Christian Dejaco et al. · The Journal of Rheumatology · 2018 · 74 citations · Full text

Malignancy risk in patients with giant cell arteritis: A population‐based cohort study

Tanaz A. Kermani, Valentin Sebastian Schäfer, Cynthia S. Crowson et al. · Arthritis Care & Research · 2010 · 53 citations · Full text