Patients of 75 years and over with ANCA-associated vasculitis have a lower relapse risk than younger patients: A multicentre cohort study. - Thietart S; Beinse G; Smets P; Karras A; Philipponnet C; Augusto JF; El Karoui K; Mesbah R; Titeca-Beauport D; Hamidou M; Carron PL; Maurier F; et al. (Journal of internal medicine, 2022)