A Nested Case-control Post-authorization Safety Study of Etoricoxib and Other Non-steroidal Anti-inflammatory Therapies in a Cohort of Patients with Ankylosing Spondylitis (AS) in the UK, France and Germany (MK-0663-163)First published 26/05/2017 Last updated 02/07/2024 EU PAS number: EUPAS19094StudyFinalised