Primary Angiitis of the Central Nervous System: Description of the First Fifty-Two Adults Enrolled in the French Cohort of Patients With Primary Vasculitis of the Central Nervous System. - Boysson, Hubert; Zuber, Mathieu; Naggara, Olivier; Neau, Jean‐Philippe; Gray, Françoise; Bousser, Marie‐Germaine; Crassard, Isabelle; Touzé, Emmanuel; Couraud, Pierre‐Olivier; Kerschen, Philippe; Oppenheim, Catherine; Detante, Olivier; et al. (Arthritis & Rheumatology, 2014)